Odd One Out: MAH CET, NMAT and SNAP practice questions

Solution

56, 64, 96 are multiples of 8.

71 is not divisible by 8.

Solution

The others are forms of carbon.

Solution

36, 64, 16 are perfect squares.

172 is not.

Solution

In FU, IR, MN the two letters are opposites (positions add to 27).

In KO they add to 26.

Solution

17, 13, 67 are prime numbers.

51 = 3 × 17 is not prime.

Solution

In CX, BY, LO the two letters are opposites (positions add to 27).

In DX they add to 28.

Solution

169, 16, 144 are perfect squares.

67 is not.

Solution

27, 512, 729 are perfect cubes.

126 is not.

Solution

117, 90, 63 are multiples of 9.

111 is not divisible by 9.

Solution

The digits of 173, 254, 290 add up to 11.

The digits of 712 add up to 10.

Solution

In CGK, IMQ, JNR each letter is 4 places after the previous one.

In HLQ the second gap is 5.

Solution

7-50, 3-10, 5-26 follow n² + 1.

4-19 does not: n² + 1 for 4 gives 17.

Solution

In HLP, IMQ, MQU each letter is 4 places after the previous one.

In QUZ the second gap is 5.

Solution

ORANGE, EAGLE, ISLAND begin with a vowel.

SCHOOL begins with a consonant.

Solution

89, 13, 83 are prime numbers.

63 = 3 × 21 is not prime.

Solution

The digits of 575, 728, 818 add up to 17.

The digits of 189 add up to 18.

Solution

11, 19, 37 are prime numbers.

39 = 3 × 13 is not prime.

Solution

The others are currencies.

Solution

8-512, 6-216, 4-64 follow n³.

5-130 does not: n³ for 5 gives 125.

Solution

ORANGE, ISLAND, EAGLE begin with a vowel.

BRIDGE begins with a consonant.