When Rahul was born, his father was 32 years older than his brother and his mother was 25 years older than his sister. If Rahul's brother is 6 years older than him and his mother is 3 years younger than his father, how old was Rahul's sister when he was born ?

Find the odd word from the following:

A train travelling at a constant speed crosses a pole in 12 seconds whereas cross a tunnel 198 metre long in 30 seconds. Find the length of train.

Directions: In question four alternatives are given for the Idiom/Phrase underlined in the sentences. Choose the alternative which best expresses the meaning of the Idiom/Phrase and mark it is the Answer Sheet.

If he phones again, I am going to give him a piece of my mind.

Which key launched the start button?

What comes in place of question mark (?) in the series given below?
W-144, ?, S-100, Q-81, O-64

What is the orbital velocity of the geostationary satellite?