Verbal Reasoning - Mental Ability Questions

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

A series is given, with one word missing. Choose the correct alternative from the given ones that will complete the series.
Oxygen, Toil, Arouse, Arson, Tenuous, ?

Select the odd word from the given alternatives

If in a code language 3456 = ROPE and 15526 = APPLE then 54613 = ?

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

MN_NOM_OPM_OP_

If 23$35 = 13, 3$5 = 8 then what is the value of 4$13 = ?

In the following question, select the related word pair from the given alternatives.
Heart : Organ : : ? : ?

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?