Verbal Reasoning - Mental Ability Questions

Pointing towards a lady in a photograph, Sushma says, "She is the mother of my grandfather's son". How is Sushma related to the lady in the picture?

A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.
10, 29, 66, 127, ?

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?

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

YXWv, TSrQ, OnML, jIHG, EDCb, ?

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

In the following question, which one set of letters when sequentially placed at the gaps in the given letter series shall complete it?

P_P_RPQ_S_Q_ST

In the following question, select the related word pair from the given alternatives.
Ammeter : Current : : ? : ?

If 27 (15) 33 and 41 (13) 53, then what is the value of 'A' in 26 (A) 35?