Verbal Reasoning - Mental Ability Questions

Introducing a girl, Poonam says, "She is the daughter of the only sister of the son of my mother". How is that girl related to Poonam?

Which term is a type of detail?

A kiddy bank of a child contains all Rs. 1, 50 paise and 25 paise coins. What is the total amount in the bank ?
(1) Total number of coins are 20
(2) The number of 50 paise and 25 paise coins are in the ratio of 7:3.

Negative divided by Negative

Which of the following interchanges in signs and numbers will make the given equation correct?
8 x 9 + 2 = 74

284 028 in word form?

Three persons P,Q and R wore shirts of White, Black and Blue colours (not necessarily in that order) and pants of Green, Red and White colours (not necessarily in that order). No persons wore shirts and pants of same colour. And further it is given that

1.A did not wear shirt of Black colour.
2.B did not wear shirt of Blue colour.
3.C did not wear shirt of White colour.
4.A did not wear pants of Green colour.
5.B wear pant of White colour.

What were the colours of the pant and shirt wear by person A respectively?

That which cannot be corrected