Question 1

Find the Missing number in the given number series? 5, 9, 15, 23, ?, 45

Accepted Answer

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.

Question 2

Find the one which does not belong to that group ?

Accepted Answer

K+2 M+1 N-2 L, P+2 R+1 S-2 Q, V+1 W+2 Y+1 Z, J+2 L+1 M-2 K and W+2 Y+1 Z-2 X. Except VWYZ, all the other groups follow similar pattern.

Question 3

Which is the next number in the sequence: 1, 3, 6, 11, 20, 37, ??

Accepted Answer

Here the given series is 1, 3, 6, 11, 20, 37, ??, and the logic behind the series is 1 x 2 + 1 = 3 3 x 2 + 0 = 6 6 x 2 + (-1) = 11 11 x 2 + (-2) = 20 20 x 2 + (-3) = 37 37 x 2 + (-4) = 70 Hence, the next number in the given series is 70.

Question 4

Find the odd man out in the following number series? 71, 88, 113, 150, 203, 277

Accepted Answer

The given number series is 71 88 113 150 203 277 +17 +25 +37 +53 +74 +8 +12 +16 +21 +4 +4 +5 The series should be 71 88 112 150 203 276 i.e, the differences of the difference should be +4. Hence, the odd man in the given series is 277.

Question 5

Find the next number in the given number series? 35, 36, 55, 111, ?

Accepted Answer

The given number series is 35, 36, 55, 111, ? 35 35 x 1 + 1 = 36 36 x 1.5 + 1 = 55 55 x 2 + 1 = 111 111 x 2.5 + 1 = 278.5 Hence, the next number in the given number series is 278.5.

Question 6

Find the next number in the given number series? 11, 5.5, 10, 6.5, 9, ?

Accepted Answer

The given number series follows a pattern that 11 11 - 5.5 = 5.5 5.5 + 4.5 = 10 10 - 3.5 = 6.5 6.5 + 2.5 = 9 9 - 1.5 = 7.5 Hence, the next number in the given number series is 7.5.

Question 7

Find the odd man out? 61, 66, 83, 121, 185

Accepted Answer

Given number series is 61, 66, 83, 121, 185 Here the given series follows a pattern that, 61 61 + 2 2 + 1 = 66 66 + 4 2 + 1 = 83 83 + 6 2 + 1 = 120 ( not 121 ) 120 + 8 2 + 1 = 185 Hence, the odd man in the given series is 121.

Question 8

Find the odd man out? 16, 254, 1296, 4096, 10000

Accepted Answer

The given series 16, 254, 1296, 4096, 10000 follows a pattern that 2 4 , 4 4 , 6 4 , 8 4 , 10 4 , . . . Hence, the odd man in the series is 4 x 4 x 4 x 4 = 256 not 254.

Question 9

Find the odd man out from the given series? 8, 18, 56, 232, 1165

Accepted Answer

The given number series 8, 18, 56, 232, 1165 8 8 x 2 + 2 = 18 18 x 3 + 3 = 57 (not 56) 57 x 4 + 4 = 232 232 x 5 + 5 = 1165 Hence, the odd man in the given series is 56.

Question 10

Find the wrong number in the given number series? 180, 90, 60, 40, 36

Accepted Answer

The given number series is 180, 90, 60, 40, 36 It follows a pattern that, 180 x 1/2 = 90 90 x 2/3 = 60 60 x 3/4 = 45 (NOT 40) 45 x 4/5 = 36 Hence, the wrong number in the given series is 40.

Question 11

3, 11, 80, 291, 803 Find the odd man out of the number series?

Accepted Answer

The given number series is 3, 11, 80, 291, 803 3 3 + 2 3 = 3 + 8 = 11 11 + 4 3 = 11 + 64 = 75 ( not 80 ) 75 + 6 3 = 75 + 216 = 291 291 + 8 3 = 291 + 512 = 803

Question 12

In the following question, select the odd word from the given alternatives.

Accepted Answer

Root

Question 13

In the following question, select the odd letter/letters from the given alternatives.

Accepted Answer

AY

Question 14

Find out the odd word/letters/number/number pair from the given alternatives.

Accepted Answer

279

Question 15

Find the Odd One Out? 4, 6, 12, 30, 81, 315.

Accepted Answer

Given the number series is 4, 6, 12, 30, 81, 315. Here it follows a pattern that 4 4 x 1.5 = 6 6 x 2 = 12 12 x 2.5 = 30 30 x 3 = 90 not equals to 81 90 x 3.5 = 315 Hence the odd one in the series is 81.

Question 16

Find the next number in the sequence? 28, 16, 28, 76, 274

Accepted Answer

Given number sequence is 28, 16, 28, 76, 274 Here the sequence follows a pattern that 28 28 x 0.5 + 2 = 14 + 2 = 16 16 x 1.5 + 4 = 24 + 4 = 28 28 x 2.5 + 6 = 70 + 6 = 76 76 x 3.5 + 8 = 266 + 8 = 274 274 x 4.5 + 10 = 1233 + 10 = 1243 Hence, the next number in the given number sequence is 1243.

Question 17

Find the odd man out of the following number series? 1/2, 1, 3/2, 6, 5/2, 3

Accepted Answer

The given series is 1/2, 1, 3/2, 6, 5/2, 3 1/2 1/2 + 1/2 = 1 1 + 1/2 = 3/2 3/2 + 1/2 = 2 (Not 6) 2 + 1/2 = 5/2 5/2 + 1/2 = 3 Hence, the odd man in the given number series is 6.

Question 18

Find the odd man out? 28, 12, 4, 2, -2

Accepted Answer

Here the given series 28, 12, 4, 2, -2 follows a pattern that 28 28 - 2 4 = 28 - 16 = 12 12 - 2 3 = 12 - 8 = 4 4 - 2 2 = 4 - 4 = 0 ( NOT 2 ) 0 - 2 1 = 0 - 2 = - 2 Hence, the odd man in the given series is 2.

Question 19

Find the odd man out of the following number series? 222, 271, 308, 332, 348, 357

Accepted Answer

Here the given series 222, 271, 308, 332, 348, 357 follows a pattern that 222 222 + 49 271 271 + 36 = 307 (NOT 308) 307 + 25 = 332 332 + 16 = 348 348 + 9 = 357 Hence, the odd man in the fiven number series is 308.

Question 20

Find the odd number in the given number series? 14, 27, 105, 525, 4993

Accepted Answer

The given number series is 14, 27, 105, 525, 4993 14 14 x 2 - 1 = 27 27 x 4 - 3 = 105 105 x 6 - 5 = 625 (not 525) 625 x 8 - 7 = 4993 Hence, the odd man or number in the given number series is 525.

Odd Man Out and Series Questions