Verbal Reasoning - Mental Ability Questions

In a certain code CAMEL is written as MFNBD. How shall TIGER be written in that code?

If 9@3=12; 15@4=22; 16@14=4; then what is the value of 6@2=?

If X's mother is the only daughter of Y's father, then Y's husband 's father is X's ___.

Which one set of letters when sequentially placed at the gaps in the given letter series shall complete it?
H__JH__IJHHI__HH__JH

Select the related word/letters/number from the given alternatives. GI : HJ : : PR : ?

A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.AK12, GV29, LF18, PO?

Amar moved 20km towards east in car from his home to reach hospital. From there he turned left and moved 30km and again move 20km left to reach his school. How far is his school from hospital?

If 9x3=3; 15x3=5; 60x5=12; then what is the value of 27x3 = ?