Monday, February 4, 2013

Series Completion -2

Alphabet Series


1- In following alphabet series , one term missing as shown by question mark (?). Choose missing term from options.

U, O, I, ?, A

Options:

A. E       B. C       C. S       D. G      

Answer:      A . E

Justification:      
The series consists of vowles A, E, I, O, U written in a reverse order.

2- In following alphabet series , one term missing as shown by question mark . Choose missing term from options.

Y, W, U, S, Q, ?, ?

Options:

A. N, J       B. M, L       C. J, R       D. L, M       E. O, M

Answer:      E . O, M

Justification:      
The series consits of alternate letters in reverse order.

3- In following alphabet series , one term missing as shown by question mark . Choose missing term from options.

A, B, D, G, ?

Options:

A. M       B. L       C. K       D. H      

Answer:      C . K

Justification:      
The first, second, third,.... letters of the series are respectively moved one, two, three,... steps forward to obtain the seccessive terms.

4- In following alphabet series , one term missing as shown by question mark . Choose missing term from options.

Z, U, Q, ?, L

Options:

A. I       B. K       C. M       D. N      

Answer:      D . N

Justification:      
The first, second, third,... letters of the series are respectively moved one, two, three,... steps forward to obtain the successive terms.

5- In following alphabet series , one term missing as shown by question mark . Choose missing term from options.

A, C, F, H, ?, M

Options:

A. L       B. K       C. J       D. I      

Answer:      B . K

Justification:      
The letters  are alterntely moved two and three steps forward to obtainthe successive terms.

6- In following alphabet series , one term missing as shown by question mark . Choose missing term from options.

A, Z, X, B, V, T, C, R, ?, ?

Options:

A. P, D       B. E, O       C. Q, E       D. O, Q       E. Q, O

Answer:      A . P, D

Justification:      
The first, fourth and seventh letters are in alphabetical order.
So, tenth letter would be the letter after C  i.e. D.
Also, the second and third letters are alternate and in reverse order and so are the fifth and sixth letters and the eighth and ninth letters.

7- In following alphabet series , one term missing as shown by question mark . Choose missing term from options.

R, M, ?, F, D, ?

Options:

A. C, B       B. J, H       C. B, H       D. H, C       E. I, C

Answer:      E . I, C

Justification:      
Letter are in reverse order in which from the last 0, 1, 2, 3 and 4 letters are missing between two consecutive letters.

8- In following alphabet series , one term missing as shown by question mark . Choose missing term from options.

Z, L, X, J, V, H, T, F, ?, ?

Options:

A. R, D       B. R, E       C. S, E       D. Q, D      

Answer:      A . R, D

Justification:      
Thev given sequence consists of two series -- Z, X, V, T, ? and L, J, H, F, ?, both consisting of alternate letters in a reverse order.

9- In following alphabet series , one term missing as shown by question mark . Choose missing term from options.

Z, S, W, O, T, K, Q, G, ?

Options:

A. N, C       B. N, D       C. O, C       D. O, D      

Answer:      A . N, C

Justification:      
The given sequence consists of two series :
I.    Z, W, T, V, Q, ? in which each letter is moved three steps backward to obtain the next term.
II.   S, O, K, G in which each letter is moved four steps backward to obtain the next term.

10- In following alphabet series , one term missing as shown by question mark . Choose missing term from options.

W, V, T, S, Q, P, N, M, ?, ?

Options:

A. I, J       B. J, I       C. J, K       D. K, J      

Answer:      D . K, J

Justification:      
The letters are alternately moved one and two steps backward to obtain the successive terms.

11- In following alphabet series , one term missing as shown by question mark . Choose missing term from options.

Z, Y, X, U, T, S, P, O, N, K, ?, ?

Options:

A. H, G       B. H, I       C. I, H       D. J, I      

Answer:      D . J, I

Justification:      
The given series consists of three consecutive letters from the end, then two letters skipped, then again three consecutive letters from the end so on.

12- In following alphabet series , one term missing as shown by question mark . Choose missing term from options.

b, e, d, f, ?, h, j, ?, l

Options:

A. i, m       B. m, i       C. i, n       D. j, m      

Answer:      A . i, m

Justification:      
The series may be divided into groups as shown :
b  e  d  /  f  i  h  /  j  m  l
In each group, first letter is moved two steps forward to obtain the third letter
while the third letter is moved one step forward to obtain the second letter.

13- In following alphabet series , one term missing as shown by question mark . Choose missing term from options.

AZ, BY, CX, ?

Options:

A. EF       B. GH       C. IJ       D. DE       E. DW

Answer:      E . DW

Justification:      
The first letter of each term is moved one steps forward and
the second letter is moved one steps backward to obtain the corresponding letters of the next term.

14- In following alphabet series , one term missing as shown by question mark . Choose missing term from options.

AZ, CX, FU, ?

Options:

A. IR       B. IV       C. JQ       D. KP      

Answer:      C . JQ

Justification:      
The first letter of the first, second, third, .... terms are respectively moved two, three, four, ... steps forward to obtain the first letter of the successive term.
The second letter of the first, second, third.... terms are respectively moved two, three, four, ... steps backward to obtain the second letter of the successive terms.

15- In following alphabet series , one term missing as shown by question mark . Choose missing term from options.

AZ, GT, MN, ?, YB

Options:

A. KF       B. RX       C. SH       D. TS      

Answer:      C . SH

Justification:      
The first letter of each term is moved six steps forward 
while the second letter is moved six steps backward to obtain the corresponding letter of the next term.

16- In following alphabet series , one term missing as shown by question mark . Choose missing term from options.

BF, CH, ?, HO, LT

Options:

A. DN       B. EL       C. EK       D. EM       E. FJ

Answer:      C . EK

Justification:      
The first letter of the first, second, third, .... terms are respectively moved one, two, three,... steps forward
while the second letter are respectively moved two, three, four,... steps forward to  obtain the corresponding letters of the successive terms.

17- In following alphabet series , one term missing as shown by question mark . Choose missing term from options.

CE, GI, KM, OQ, ?

Options:

A. TW       B. TV       C. SU       D. RT       E. UW

Answer:      C . SU

Justification:      
The letters of each term are alternate and also the last letter of each term and the first letter of the next term are alternate.

18- In following alphabet series , one term missing as shown by question mark . Choose missing term from options.

BD, GI, LN, QS, ?

Options:

A. TV       B. UW       C. WX       D. WY       E. VX

Answer:      E . VX

Justification:      
Each term of the series consists of two alternate letters and there is a gap of two letters between the last letter of each term and the first letter of  the next term.

19- In following alphabet series , one term missing as shown by question mark . Choose missing term from options.

AD, EH, IL, ?, QT

Options:

A. LM       B. MN       C. MP       D. OM      

Answer:      C . MP

Justification:      
The first and second letter of each term are moved four steps forward to obtain the corresponding letters of the next term.

20- In following alphabet series , one term missing as shown by question mark . Choose missing term from options.

JE, LH, OL, SQ, ?

Options:

A. WV       B. WX       C. VW       D. VX       E. XW

Answer:      E . XW

Justification:      
The first letter of the first, second, third,... terms are respectively moved two, three, four,... steps forward
while the second letters of three terms are respectivvely moved three, four, five,... steps forward to obtain the corresponding letters of the successive terms.

21- In following alphabet series , one term missing as shown by question mark . Choose missing term from options.

DF, GJ, KM, NQ, RT, ?

Options:

A. UW       B. YZ       C. XZ       D. UX       E. YA

Answer:      D . UX

Justification:      
There is a gap of one letter between both the letters of first term, a gap of two letters between both the letters of second term and again a gap of one and two letters between the letters of third and fourth terms respectively.
Beside, the last letter of each term and the first letter of next term are in alphabetical order.

22- In following alphabet series , one term missing as shown by question mark . Choose missing term from options.

cx, fu, ir, ?, ol, ri

Options:

A. lo       B. mn       C. no       D. op       E. or

Answer:      A . lo

Justification:      
The first letter of each term is moved three steps forward and
the second letter is moved three steps backward to obtain the corresponding letters of the next term.

23- In following alphabet series , one term missing as shown by question mark . Choose missing term from options.

OTE, PUF, QVG, RWH, ?

Options:

A. SYJ       B. TCI       C. SXJ       D. SXI       E. TYJ

Answer:      D . SXI

Justification:      
The first letters of the terms are in alphabetical order,
and so are the second and third letters.

24- In following alphabet series , one term missing as shown by question mark . Choose missing term from options.

OTE, PUF, QVG, RWH, ?

Options:

A. SYJ       B. TCI       C. SXJ       D. SXI       E. TYJ

Answer:      D . SXI

Justification:      
The first letters of the terms are in alphabetical order,
and so are the second and third letters.

25- In following alphabet series , one term missing as shown by question mark . Choose missing term from options.

ejo, tyd, ins, xch, ?

Options:

A. nrw       B. mrw       C. msx       D. nsx       E. nsw

Answer:      B . mrw

Justification:      
There is a gap of four letters between the first and second,
the seccond and third letters of each term,
and also between the last letter of a term and the first letter of the next term.

26- In following alphabet series , one term missing as shown by question mark . Choose missing term from options.

CAT, FDW, IGZ, ?

Options:

A. KJA       B. KTC       C. LHD       D. LJC      

Answer:      D . LJC

Justification:      
All the letters of each term are moved three steps forward to obtain the corresponding letters of the next term.

27- In following alphabet series , one term missing as shown by question mark . Choose missing term from options.

BEH, KNQ, TWZ, ?

Options:

A. IJL       B. CFI       C. BDF       D. ADG      

Answer:      B . CFI

Justification:      
All the letters of each term are moved nine steps forward to obtain the corresponding letters of the next term.

28- In following alphabet series , one term missing as shown by question mark . Choose missing term from options.

deb, ijg, nol, ?, xyv

Options:

A. rsp       B. stp       C. rsq       D. stq       E. sto

Answer:      D . stq

Justification:      
All the letters of each term are moved five steps forward to obtain the corresponding letters of the next term.

29- In following questions, a sequence of groups of alphabets and numbers is provided with one term missing , Choose the missing term from options.

?, siy, oeu, kaq, qwm, cri

Options:

A. wnc       B. wnb       C. vnc       D. vmc       E. wmc

Answer:      E . wmc

Justification:      
The letters in each term are moved four steps backward to obtain the corresponding letters of the next term.

30- In following questions, a sequence of groups of alphabets and numbers is provided with one term missing , Choose the missing term from options.

QPO, SRQ, UTS, WVU, ?

Options:

A. XVZ       B. ZYA       C. YXW       D. VWX       E. AZY

Answer:      C . YXW

Justification:      
Each term in the series consists of three consecutive letters in reverse order.
The first letter of each term and the last letter of the next term are the same.

31- n following questions, a sequence of groups of alphabets and numbers is provided with one term missing , Choose the missing term from options.

?, ayw, gec, mki, sqo

Options:

A. zxw       B. bzw       C. usq       D. may       E. xyv

Answer:      C . usq

Justification:      
Each term in the series consists of alternate letters in reverse order.

The first letter of each term and the last letter of the next term arealso alternate.

32- In following questions, a sequence of groups of alphabets and numbers is provided with one term missing , Choose the missing term from options.

dfe, jih, mln, ?, vut

Options:

A. oqp       B. psr       C. prq       D. rsp       E. oqr

Answer:      C . prq

Justification:      
There is a gap of three letters between the first letter of each term and the last letter of the next term.

33- In following questions, a sequence of groups of alphabets and numbers is provided with one term missing , Choose the missing term from options.

DEF, HIJ, MNO, ?

Options:

A. STU       B. RST       C. RTV       D. SRQ       E. TUV

Answer:      A . STU

Justification:      
The letters in each term are consecutive.
There is a gap of one letter between the last letter of the first term and the first letter of the second term and
a gap of two letters between the last letter of the second term and the first letter of third term.
So, there would be a gap of three letters between the last letter of the third term and the first letter of the 

34- In following questions, a sequence of groups of alphabets and numbers is provided with one term missing , Choose the missing term from options.

FLP, INS, LPV, ?

Options:

A. ORY       B. UXZ       C. VXY       D. SVW      

Answer:      A . ORY

Justification:      
The first and third letters of each term are moved three steps forward and
the second letters is moved two steps forward to obtain the corresponding letters of the next term.

35- In following questions, a sequence of groups of alphabets and numbers is provided with one term missing , Choose the missing term from options.

shg, rif, qje, pkd, ?

Options:

A. ole       B. olc       C. nmc       D. nlb      

Answer:      B . olc

Justification:      
The first and third letters of each term are moved one step backward and
the second letter is moved one step forward to obtain the corresponding letters of the next term.

36- In following questions, a sequence of groups of alphabets and numbers is provided with one term missing , Choose the missing term from options.

LXF, MTJ, NPN, OLR, ?

Options:

A. PHV       B. PIU       C. PJW       D. PKX       E. PRV

Answer:      A . PHV

Justification:      
The first letter of each term is moved one step forward,
the second letter is moved four steps backward and
the third letter is moved four steps forward to obtain the corresponding letters of the next term.

37- In following questions, a sequence of groups of alphabets and numbers is provided with one term missing , Choose the missing term from options.

MHZ, NIW, OKT, PNQ, ?

Options:

A. RRN       B. QRN       C. QRM       D. QQN      

Answer:      B . QRN

Justification:      
The first letters of the terms are consecutive letters. 
The third letter of eac h term is moved three steps backward to obtain the third letter of the successive term.
The middle letters of the first, second, third and fourth terms are moved one, two, three and four steps forward respectively to obtain the middle letter of the successive terms.

38- In following questions, a sequence of groups of alphabets and numbers is provided with one term missing , Choose the missing term from options.

AYD, BVF, DRH, ?, KGL

Options:

A. FMI       B. GMJ       C. HLK       D. GLJ      

Answer:      D . GLJ

Justification:      
The first letters of the first, second, third and fourth are moved one, two, three and four steps forward respectively to obtain the first letter of the successive terms.
The second letters of the first, second, third and fourth terms are moved three, four, five and six steps backward respectively to obatin the second letters of the successive terms.
The last letters of the terms are alternate.

39- In following questions, a sequence of groups of alphabets and numbers is provided with one term missing , Choose the missing term from options.

AB, BA, ABC, CBA, ABCD, ?

Options:

A. ACBD       B. BACD       C. CABD       D. DBAC       E. DCBA

Answer:      E . DCBA

Justification:      
The first group of letters is reversed to obtain the second group.
The second group is reversed and the next consecutive letter is added to it to obtain the subsequent group.

40- In following questions, a sequence of groups of alphabets and numbers is provided with one term missing , Choose the missing term from options.

AB, DEF, HIJK, ?, STUVWX

Options:

A. MNOPQ       B. LMNOP       C. LMNO       D. QRSTU      

Answer:      A . MNOPQ

Justification:      
The number of letters in the terms goes on increasing by 1 at each step.
Each term consists  of letters in alphabetical order.
The last letter of each term and the first letter of the next term are alternate.

41- In following questions, a sequence of groups of alphabets and numbers is provided with one term missing , Choose the missing term from options.

A, CD, GHI, ?, UVWXY

Options:

A. LMNO       B. MNO       C. NOPQ       D. MNOP      

Answer:      D . MNOP

Justification:      
The number of letters in the terms goes on increasing by one at each step.
Also, there is a gap of one letter between the last letter of the first term and
first letter of the second term and a gap of two letters between the last letter of the second term and first letter of the third term.
So, the first letter of the required term would be four steps ahead of the last letter of the third term.

42- In following questions, a sequence of groups of alphabets and numbers is provided with one term missing , Choose the missing term from options.

D-4, F-6, H-8, J-10, ?, ?

Options:

A. K-12, M-13       B. L-12, M-14       C. L-12, N-14       D. K-12, M-14      

Answer:      C . L-12, N-14

Justification:      
The letters in the series are alternate and the numbers indicate their position in the alphabets from the beginning.

43- In following questions, a sequence of groups of alphabets and numbers is provided with one term missing , Choose the missing term from options.

3F, 6G, 11I, 18L, ?

Options:

A. 21O       B. 25N       C. 27P       D. 27Q       E. 25P

Answer:      C . 27P

Justification:      
The letters in the first, second, third and fourth terms are respectively moved one, two three and four steps forward to obtain the letter in the subsequent terms.
The two, three and four steps forward by the numbers is + 3, + 5, + 7, + 9.

44- In following questions, a sequence of groups of alphabets and numbers is provided with one term missing , Choose the missing term from options.

KM5, IP8, GS11, EV14, ?

Options:

A. BX17       B. BY17       C. CY18       D. CZ17       E. CY17

Answer:      E . CY17

Justification:      
The first letter of each term is moved two steps backward and
the second letter is moved three steps forward to obtain the corresponding letters of the nextterm.
The number in each term is 3 more than that in the preceding term.

45- In following questions, a sequence of groups of alphabets and numbers is provided with one term missing , Choose the missing term from options.

J2Z, K4X, 17V, ?, H16R, M22P

Options:

A. I11T       B. L11S       C. L12T       D. L11T       E. L12S

Answer:      D . L11T

Justification:      
The first letters in odd numbered terms from series J, I, H and in even numbered terms from the series K, L, M.
The sequence followed by the numbers is + 2, + 3, + 4, + 5, + 6.
The third letter of each term is moved two steps backward to obtain the third letter of the next term.

46- In following questions, a sequence of groups of alphabets and numbers is provided with one term missing , Choose the missing term from options.

2Z5, 7Y7, 14X9, 23W11, 34V13, ?

Options:

A. 27U24       B. 47U15       C. 45U15       D. 47V14      

Answer:      B . 47U15

Justification:      
The first numbers in the terms follow the sequence + 5, + 7, + 9, + 11, + 13.
The middle letters form the series Z, Y, X, W, V, U.
The last numbers from the series 5, 7, ,9 , 11, 13, 15.

47- In following questions, a sequence of groups of alphabets and numbers is provided with one term missing , Choose the missing term from options.

2A11, 4D13, 12G17, ?

Options:

A. 36I19       B. 48J21       C. 36J21       D. 48J23      

Answer:      D . 48J23

Justification:      
The first numbers in the terms follow the sequence x 2, x 3, x 4.
The middle letter of each term is moved three steps forward to obtain the corresponding letter of the next term>
The last numbers follow the sequence + 2, + 4, + 6.

48- In following questions, a sequence of groups of alphabets and numbers is provided with one term missing , Choose the missing term from options.

C4X, F9U, 116R, ?

Options:

A. K25P       B. L25P       C. L25O       D. L27P      

Answer:      C . L25O

Justification:      
The first letter of each term is moved three steps forward and
the last letter is moved three steps backeard to obtain the corresponding letters of the next term.
The numbers from the sequence 22, 32, 42, 52.

49- In following questions, a sequence of groups of alphabets and numbers is provided with one term missing , Choose the missing term from options.

C4X, F9U, 116R, ?

Options:

A. K25P       B. L25P       C. L25O       D. L27P      

Answer:      C . L25O

Justification:      
The first letter of each term is moved three steps forward and
the last letter is moved three steps backeard to obtain the corresponding letters of the next term.
The numbers from the sequence 22, 32, 42, 52.

50- In following questions, a sequence of groups of alphabets and numbers is provided with one term missing , Choose the missing term from options.

Q1F, S2E, U6D, W21C, ?

Options:

A. Y66B       B. Y44B       C. Y88B       D. Z88B      

Answer:      C . Y88B

Justification:      
The first letter of each term is moved two steps forward and
the last letter is moved one steps backward to obtain the corresponding letters of the next term.
The number series runs as follows :
1 x 1 + 1 = 2,
2 x 2 + 2 = 6,
6 x 3 + 3 = 21,
21 x 4 + 4 = 88.

1 comment:

  1. Sir please solve the question
    U,F,Q,J,M,N,?
    Options: J,I,R,M

    ReplyDelete