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What should come next in the following letter series based on English alphabet -
BSJ, CTK, DUL, ?

A)

EVM


B)

EXZ


C)

JKL


D)

EMV



Correct Answer :

EVM


Explanation :

B -> C -> D -> E
S -> T -> U -> V
J -> K -> L -> M

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In the given series one number is missing. Understand the pattern of the series and insert the number. 144, 121, 100, 81, ?, 49, 36

A)
72

B)
64

C)
76

D)
66


Correct Answer :

64


Explanation :

the pattern of the series
122=144,112=121,102=100,92=81,82=64,72=49,62=36
So missing number is 82 that is 64

Identify the next term in the given series by understanding the pattern of the series.
3, 9, 21, 39, 63, 93, ?

A)
119

B)
103

C)
129

D)
121


Correct Answer :

129


Explanation :

the pattern of series is
3, (3+6)=9, (9+12)=21, (21+18)=39, (39+24)=63, (63+30)=93, (93+36)=129

What will come next in the following series-
B, D, G, K, P, ?

A)
T

B)
V

C)
S

D)
R


Correct Answer :

V


Explanation :

the pattern of the series is
BC
DEF
GHIJ
KLMNO
PQRSTU
V

So answer is V

Identify which number is wrong in the given series -
4, 4, 8, 24, 95, 480, 2880

A)
95

B)
24

C)
480

D)
4


Correct Answer :

95


Explanation :

next number of series can obtain by multiplying 1, 2, 3, 4, 5, 6 respectively .

4 , 4*1=4 , 4*2=8, 8*3=24, 24*4=96, 96*5=480, 480*6=2880

So, 95 is wrong.

What will come next in the following series?
BBCBCDBCDEBCDEFBCDEFGBCDEFG

A)
H

B)
F

C)
E

D)
B


Correct Answer :

H


Explanation :

B
BC
BCD
BCDE
BCDEF
BCDEFG
BCDEFGH

What will come next in the following letter series-
J K L M N O P Q J K L M N O J K

A)
K

B)
L

C)
M

D)
J


Correct Answer :

L


Explanation :

J K L M N O P Q
J K L M N O
J K L

In the given series one number is missing. Understand the pattern of the series and insert the number.
4, 7, 9, 12, 14, 17, ?, 22

A)
21

B)
19

C)
18

D)
20


Correct Answer :

19


Explanation :

the pattern of the series is
4,(4+3)=7 ,(7+2)=9 ,(9+3)=12 ,(12+2)=14 ,(14+3)=17 ,(17+2)=19 ,(19+3)=22
and according to pattern the missing number is 19

What should come next in the following sequence of letters -
H H I H I J H I J K H I J K L H I J K ?

A)

M


B)

L


C)

H


D)

N



Correct Answer :

L


Explanation :

H
H I
H I J
H I J K
H I J K L
H I J K L M

What will come in place of Question mark (?).
126, 64, 34, 20, 14, (?)

A)
12

B)
14

C)
16

D)
18


Correct Answer :

12


Explanation :

126/2 +1=64
64/2 +2=34
34/2 +3=20
20/2 +4=14
14/2 +5=12

What will come in place of Question mark (?).
99, 98, 94, 85, 69, (?)

A)
54

B)
65

C)
44

D)
34


Correct Answer :

44


Explanation :

99,
99-12 =98
98-22 =94
94-32 =85
85-42 =69
69-52 =44
Therefore next number = 44.

Find the wrong term in the given series:
1, 3, 10, 36, 152, 760, 4632

A)
3

B)
36

C)
4632

D)
760


Correct Answer :

760


Explanation :

(1 x 1) + 2 = 3
(3 x 2) + 4 = 10
(10 x 3) + 6 = 36
(36 x 4) + 8 = 152
(152 x 5) + 10 = 770
(770 x 6) + 12 = 4632

threrfore wrong term 760

What will come in place of Question mark (?) in the following number series
198, 194, 185, 169, (?)

A)
154

B)
165

C)
144

D)
134


Correct Answer :

144


Explanation :

198,
198-22=194,
194-32=185,
185-42=169,
169-52=144

So, missing number is 144.

Find the wrong term in the given serie -
850, 843, 829, 808, 788, 745, 703

A)

843


B)

829


C)

808


D)

788



Correct Answer :

788


Explanation :

850 (-7) =>843 (-14) =>829 (-21) =>808 (-28) =>780 (-35) =>745 (-42)=> 703

So, the wrong number is 788 which must be 780.

What will come in place of Question mark (?) in the following number series ?
16, (?), 24, 12, 36

A)

20


B)

18


C)

19


D)

8



Correct Answer :

8


Explanation :

16, (-8) 8
16, 8, (16+8) 24
16, 8, 24, (-8) 12
16, 8, 24, 12, (24+12) 36
16, 8, 24, 12, 36

Missing number = 8

Find the missing term in the series.
Q1, P2, R6, N24, V120, ___

A)

W600


B)

X720


C)

F720


D)

F600



Correct Answer :

F720


Explanation :

1,
1 * 2 = 2,
2 * 3 = 6,
6 * 4 = 24,
24 * 5 = 120,
120 * 6 = 720

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26

Q P R N V F
17 -1 16 +2 18 -4 14 +8 22 -16 6

Find the missing term in the series.
A1Z, E2V, I6R, M21N, Q88J, __

A)

F44SU


B)

U445F


C)

G342C


D)

V441G



Correct Answer :

U445F


Explanation :

A,(B,C,D)+3 =E
E,(F,G,H)+3 =I
I,(J,K,L)+3 =M
M,(N,O,P)+3 =Q
Q,(R,S,T)+3 =U

(1×1) + 1 = 2
(2×2) + 2 = 6
(6×3) + 3 = 21
(21×4)+ 4 = 88
(88×5)+ 5 = 445

Z,(Y,X,W)-3=V
V,(U,T,S)-3=R
R,(Q,P,O)-3=N
N,(M,L,K)-3=J
J,(I,H,G)-3=F

Hence , answer is U445F

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