1000+ Aptitude Odd Man Out Questions and Answers - 2

Ans: A

Let the given numbers be A, B, C, D, E, F, G.

Then, A, A x 1, B x 2 + 2, C x 3 + 3, D x 4 + 4, E x 5 + 5, F x 6 + 6 are the required numbers.

Clearly, 228 is wrong.

Ans: B

Each even term of the series is obtained by multiplying the previous term by 2.

2^nd term = (1st term) x 2 = 6 x 2 = 12;

4^th term = (3rd term) x 2 = 48 x 2 = 96;

6^th term = (5th term) x 2 = 384 x 2 = 768;

Therefore, 4^th term should be 96 instead of 100.

Ans: C

Go on subtracting prime numbers 19, 17, 13, 11, 7, 5 from the numbers to get the next number.

So, 88 is wrong.

Ans: C

The difference between consecutive terms are respectively 5, 7, 9, 11 and 13.

So, 34 is a wrong number.

Ans: C

Go on multiplying with 1, 2, 3, 4, 5, 6 to get the next number.

So, 96 is wrong.