Verbal Reasoning - Mental Ability Questions

Select the related word/letters/number from the given alternatives.
30 : 16 :: 24 : ?

If 12 (20) 16 and 21 (35) 28, then what is value of A in 48 (80) A ?

Select the number which can be placed at the place of ? in the following question

Divit's birthday is on Friday 30th June. On what day of the week will be Samar's Birthday in the same year if Samar was born on 15th November?

Arrange the given words in the sequence in which they occur in the dictionary.
1. Cadartrally
2. Caddisflies
3. Caducities
4. Caddisworms
5. Cadetships

In the given series is written in the reverse order, then what will be the 5th term to the left of the 10th term from right end?

R+JM2$#QR?*O@7F3

A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.

A, C, E, G, ?

What will be the next set of alphabets in the series? AZ, BY, CX, ___