Verbal Reasoning - Mental Ability Questions

Rakhi got engaged 10 years ago. Rakhi's present age is 5/3 of her age at the time of engagement. If the present age of Rakhi's mother is twice that ofpresent age of Rakhi, then what was her mother's age (in years) at the time of her engagement?

In the following question, select the related letters from the given alternatives.
AGN : IOV : : BLM : ?

In the following question, select the related number from the given alternatives.
ACOUSTIC : 91 : : RENOUNCE : ?

In the following question, select the number which can be placed at the sign of ? from the given alternatives.

A General of an Army wants to create a formation of square from 36562 army men. After arrangement, he found some army men remained unused. Then the number of such army men remained unused was

P and Q are brothers. P is the father of S. R is the only son of Q and is married to U. How is U related to S?

How many such numbers are present in the below arrangement which are immediately preceded by a consonant and immediately followed by a letter?

Q@A3RI4*6T4W4O2^E$6S

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

15, 32, 99, 400, ?