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Find the missing term in the given series - 101, 120, 145, 168, (?), 224

A)
194

B)
195

C)
196

D)
197


Correct Answer :

197


Explanation :

The series is 102 + 1 = 101, 112 - 1 = 120, 122 + 1 = 145, 132 - 1 = 168, 142 + 1 = 197, 152 - 1 = 224

The series given below contains a sequence of numbers. Identify the incorrect combination
120, 99, 80, 63, 47, 35

A)
47

B)
63

C)
80

D)
35


Correct Answer :

47


Explanation :


The pattern is - 21, - 19, - 17, - 15, -13...
120, 120-21=99, 99-19-80, 80-17=63, 63-15=48, 48-13=35
So, incorrect term is 47

The series given below contains a sequence of numbers. Identify the incorrect combination
2, 7, 22, 67, 204

A)
2

B)
7

C)
22

D)
204


Correct Answer :

204


Explanation :

The pattern is -
2
(2 × 3) + 1 = 7
(7 × 3) + 1 = 22
(22 × 3) + 1 = 67
(67 × 3) + 1 = 202
(202 × 3) + 1 = 607
So, incorrect term is 204

Find the odd one out: 24, 33, 60, 71, 51, 15

A)
15

B)
71

C)
33

D)
60


Correct Answer :

71


Explanation :

71 is a prime number and all other numbers are prime numbers.
So 71 is the answer.

Complete the series choosing the missing number:
1, 4, 9, 16, ______

A)

23


B)

25


C)

32


D)

44



Correct Answer :

25


Explanation :

Here the pattern is
(1×1)=1
(2×2)=4
(3×3)=9
(4×4)=16
(5×5)=25
(6×6)=36
so next missing term is 25

Complete the series choosing the missing number:
324, 108, 36, 12, ______

A)

16


B)

8


C)

4


D)

2



Correct Answer :

4


Explanation :

the pattern is
(324 /3 )=108
(108 /3 )=36
(36 /3 )=12
(12 /3 )=4

so next missing term is 4

Complete the series choosing the missing number:
2, 8, 3, 27, 4, ______

A)

82


B)

64


C)

32


D)

48



Correct Answer :

64


Explanation :

the pattern is
2, 23, 3, 33, 4, 43
=> 2, 8, 3, 27, 4, 64

So missing term is, 43 = 64

Find the missing term: 60, 40, 55, 45, 50, 50,....?

A)

45


B)

50


C)

55


D)

60



Correct Answer :

45


Explanation :

The pattern is
60, 60-5=> 55, 55-5=> 50, 50-5=> 45
(1) (3) (5) (7)
40, 40+5=> 45, 45+5=> 50
(2) (4) (6)

So missing term is = 45

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