Reasoning | Letter Series - Aptitude Test

1. Find the next letter in the series D,G,J,M,P, ?

1) Q
2) R
3) S
4) T

...Answer is 3)
i.e) D^+3,G^+3,J^+3,M^+3,P^+3,S P + 3 and P = 16 and 16 + 3 = 19 and the 19th letter in the alphabet is S.

2. Find the next letter in the series A,B,D,H, ?

1) L
2) N
3) R
4) P

...Answer is 4)
Each letter in the gien series is multiplied with 2 to get the next letter in the series A x 2 => 1 x 2 = 2 and the 2nd letter is B, B x 2 => 2 x 2 = 4 and the letter is D. Similarly, H x 2 => 8 x 2 = 16 and the 16th letter is P.

3. What is the next letter in the series B,D,G,K,P,?

1) S
2) V
3) W
4) X

...Answer is 2)
B^+2, D^+3, G^+4, K^+5, P^+6 P + 6 = 16 + 6 = 22 and the 22nd letter is V.

4. I,X,J,W,K,V,L, ?

1) M
2) U
3) S
4) T

...Answer is 2)
The given series is an alternate series. I^+1, J^+1, K^+1, L is oine series and X^-1,W^-1,V^-1,___ is the other series. X - 1 = W, W - 1 = V and V - 1 = 22 - 1 = 21 and the 21th letter is U.