Number Series Logical Reasoning Questions and Answers Part 2

5. Find the next term
496, 492, 483, 467, ?

a. 442
b. 431
c. 462
d. 437

Answer: a. 442

Explanation:

496 - 492 = 4 = 2²
492 - 483 = 9 = 3²
483 - 467 = 16 = 4²
So, the next has to be a difference of 25 = 5²
467 - 25 = 442

6. Find the next term.
CB, HGF, ONML, ?

a. ZYXWV
b. XWVUT
c. VWXYZ
d. YXWV

Answer: b. XWVUT

Explanation:

Alphabet Series - A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

First two letters are BC in reverse i.e. CB. It is a term of 2 alphabets so next 2 alphabets D and E are skipped.
Next term is FGH in reverse i.e. HGF. It is a term of 3 alphabets so next 3 alphabets I J and K are skipped.
Next term is LMNO in reverse i.e. ONML. It is a term of 4 alphabets so next 4 alphabets P Q R and S are skipped.
Next term should be TUVWX in reverse i.e. XWVUT. It should be 5 alphabets term.

7. B E I N T ?

a. B
b. Y
c. Z
d. A

Answer: d. A

Explanation:

Alphabet Series - A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Between B and E there are 2 alphabets
Between E and I there are 3 alphabets
Between I and N there are 4 alphabets
Between N and T there are 5 alphabets
Between T and next alphabet there must 6 alphabets in between
So next one is A

Note - After Z, the series starts again from A.

8. VSOLHEA ? ?

a. XT
b. YU
c. YV
d. XU

Answer: a. XT

Explanation:

Alphabet Series - A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Trace the series in reverse.

Between V and S there are 2 alphabets.
Between S and O there are 3 alphabets.
Between O and L there are 2 alphabets.
Between L and H there are 3 alphabets.
Between H and E there are 2 alphabets.
Between E and A there are 3 alphabets.
So, between A and next letter there has to be 2 alphabets. So, it is X.
And between X and next letter there has to be 3 alphabets. So, it is T.

« Previous