Verbal Reasoning - Mental Ability Questions

A man looks at a portrait and says, " She is my Father-in-law's only grand-daughter". How is the girl in the portrait related to this man's wife?

If P denotes '÷', Q denotes 'x', R denotes '+' and S denotes '­', then 18Q12P4R5S6 = ?

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

7, 49, 343, ?

Ajit, starting from a fixed point, goes 10 m towards North and then after turning to his right he goes 10 m. Then he goes 5,10 and 10 meters after turning to his left each time. How far is he from his starting point?

Starting from his house, Manish moves 25 km towards south­east and then turns to the west and covers another 7 km. How far (in kilometres) is he now from his house?

Arrange the given words in the sequence in which they occur in the dictionary.
i.Attribute
ii. Attenuation
iii. Attain
iv. Attention

A series is given, with one number missing. Choose the correct alternative from the given ones that will complete the series.
49, 64, ?, 100, 121

If "-" means "plus", "x" means "divided by", "÷" means "multiply" and "+" means "substraction", then