What four weights can be used to balance from 1 to 30 pounds?

What is the word or phrase?

You are playing as white and given four rooks to checkmate the black king in four moves with the following rules 1. You can place one rook every move and ensure the black king should be in check position.2. After four moves the black king should be in the checkmate position.

It walks on 4 when its young, walks on 2 when it's older, and walks on 3 when its very old?

Why are televisions attracted to people?

Manish and Manoj play 5 games of chess.
Both Manish and Manoj win the exact same number of games. There is no tie at all.

How?

What does the following represent?

N N N N N N N

A A A A A A A

C C C C C C C

Three people are in a room. Ronni looks at the Nile. The Nile looks at Senthil. Ronni is married but Senthil is not married. At any point, is a married person looking at an unmarried person? Yes, No or Cannot be determined.

Find the smallest sentence with all the English alphabet.

Using Only Five 5's and any mathematical operator make sum as 37