Tanu is 8 years old. She is 4 years older than her brother. How old is her brother?

DEF : FGH     PQR : ?

10Z, 20Y, 30X, 40W, 50V, ?

Cabbage : Vegetable :: Mango : ?

Dark : Light :: Hot : ?

In a family, there are husband-wife, two sons and two daughters. All the ladies were

invited to a dinner. Both sons went out to play. Husband did not return from the office. Who was at home?

 Essential part of a book

Select the combination same as PETAL: FLOWER

RQP, ONM, _, IHG, FED, find the missing letters.