Verbal Reasoning - Mental Ability Questions

Rajiv is the brother of Arun. Sonia is the sister of Sunil. Arun is the son of Sonia. How is Rajiv related to Sunil?

In a class, P has more marks than Q and R does not have the least marks. S has more marks than T and T has more marks than P, who among them will have the least marks?

How many squares are there in the square figure ABCD?

If in a certain language TEACHER is coded as QBXZEBO, then how is STUDENT coded in the same language?

What should come in place of the question mark (?) in the following number series? 1, 3, 24, 360,8640, 302400, ?

In the following question, select the related number from the given alternatives.
7 : 56 : : 11 : ?

If 2*10 = 6, 14*16 = 15 and 4*16 = 10, then find the value of 16*8 = ?

A paper boy cycles 10 km East, then turns South and cycles 3 km, then turns West and cycles 6 km, then turns to his right and cycles 3 km. Where is he now with reference to his starting position?