Verbal Reasoning - Mental Ability Questions

A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.
1, 5, 30, 210, 1680, ?

A series is given, with one word missing. Choose the correct alternative from the given ones that will complete the series.
nephew, anther, tenses, prunes, preens, ?

P started walking from North to South. She turned right at right angle and then again right at right angle. In which direction was she ultimately walking?

A is to the south­east of B. In which direction is B with respect to A?

In the following question, select the related letters from the given alternatives.
JPC : GMZ : : PUV : ?

Poonam told Akshay that "Yesterday she defeated Akshay's only sister's daughter Sneha in a school Taekwondo competition." How is Akshay related to Sneha?

From point A, Ram moves 100m in north ­east direction, he again turns and moves 100m in south­east direction. He again turns and covers 100m south-west and finally covers 100m in north­ west direction. In which direction is he now with respect to A?

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

1, 0.125, 1/27, 1/64, ? , 1/216