8
Q:

# Find the odd term from the given series of numbers  ?125, 127, 130, 135, 142, 153, 165 ?

 A) 153 B) 165 C) 142 D) 127

Answer:   B) 165

Explanation:

From the beginning, the next term comes by adding prime numbers in a sequence of 2, 3, 5, 7, 9, 11, 13... to its previous term. But 165 will not be in the series as it must be replaced by 166 since 153+13 = 166.

Q:

What number should replace the question mark?

125,   138,   164,   ?,   255

 A) 189 B) 197 C) 200 D) 203

Answer & Explanation Answer: D) 203

Explanation:

The given number series is 125,   138,   164,   ?,   255

125

125 + 13x1 = 138

138 + 13x2 = 164

164 + 13x3 = 203

203 + 13x4 = 255

Hence, the missing number in the series is 203.

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0 55
Q:

Find the missing number in the given number series?

5 11 21 44 ? 175

 A) 86 B) 78 C) 94 D) 102

Answer & Explanation Answer: A) 86

Explanation:

Here the given number series is 5  11  21  44  ?  175

Now the given series follows a pattern, that

x2 + 1, x2 - 1, x2 + 2, x2 - 2, x2 + 3, x2 - 3,...

Then the missing number is x2 - 2

= 44 x 2 - 2 = 88 - 2 = 86

Hence, the missing number in the number series is 86.

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0 39
Q:

Find the Odd one out of the following Numbers?

 A) 3 B) 19 C) 67 D) 133

Answer & Explanation Answer: D) 133

Explanation:

Here among the given numbers, 3, 19, 67 are prime numbers. And 133 is not a prime number.

Hence, the odd number of the given numbers is 133.

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0 178
Q:

Find the odd man out of the number series?

18     37     76     155     314     635

 A) 37 B) 155 C) 314 D) 635

Answer & Explanation Answer: D) 635

Explanation:

Given Number series is 18     37     76     155     314     635

follows a pattern that,

18

18 x 2 +1 = 37

37 x 2 +2 = 76

76 x 2 +3 = 155

155 x 2 +4 = 314

314 x 2 +5 = 633 not 635

Hence, the odd man is 635.

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5 92
Q:

Please enter the Missing number: 4 8 14 22 ?

 A) 28 B) 32 C) 46 D) 36

Answer & Explanation Answer: B) 32

Explanation:

Here the given series follows a pattern that,

2- 0 = 4

3- 1 = 8

4- 2 = 14

5- 3 = 22

6- 4 = 32

Hence, the missing number is 32

Method 2 ::

The difference between 4 and 8 is 4, the difference between 8 and 14 is 6, the difference between 14 and 22 is 8. So the next difference between 22 and the next number will be 10 since it follows (4,6,8,10 - add +2 each time)

Hence, 22 + 10 = 32 is the missing number.

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4 150
Q:

Find the next number in the given number series?

0, 3, 8, 15, 24, ?

 A) 35 B) 37 C) 34 D) 36

Answer & Explanation Answer: A) 35

Explanation:

Here the given number series is 0, 3, 8, 15, 24, ?

The next number in the given series can be found such a way that the number series follows a pattern,

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2 122
Q:

Find the Missing number in the given number series?

5, 9, 15, 23, ?, 45

 A) 33 B) 29 C) 31 D) 35

Answer & Explanation Answer: A) 33

Explanation:

The given series follows a pattern that,

+4, +6, +8, +10, +12...

5

5 + 4 = 9

9 + 6 = 15

15 + 8 = 23

23 + 10 = 33

33 + 12 = 45

Hence, the missing number in the series is 33.

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1 99
Q:

Find the next number in the number series?

1, 4, 12, 32, ?

 A) 80 B) 100 C) 192 D) 169

Answer & Explanation Answer: A) 80

Explanation:

Next number of the sequence 1, 4, 12, 32,...

1 = 2 x ${2}^{0}$

4 = 2 x ${2}^{1}$

12 = 3 x ${2}^{2}$

32 = 4 x ${2}^{3}$

80 = 5 x ${2}^{4}$.

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2 209