Jack have ten pairs of black socks, eight pairs of white socks and seven pairs of green socks. Everything is mixed in a draw. As there is no light he were not able to identify the colour of the socks. How many of the socks did he want to take to match one pair

I cannot talk, but I always reply when spoken to. What am I?

See the given image carefully. What you have to do is move the blue checkers in the position of the black checkers and vice versa. You are only allowed to move the checker to an adjacent empty space. Do it in the least possible moves.

Find the number of squares in the below picture

Can you find out a way through which you can make five squares out of the given figure by moving just six match sticks?

Krish is 45 years old and his mother Crishtina is 73 years old.

Can you find out how many years ago, his mother was three times his age?

Until it is measured, not known. Yet how you miss it when it has gone. What is it?

I have branches, but no fruit, trunk or leaves. What am I?

Joseph buys three kinds of chocolates for 100 rupees. The first one is priced at 5 rupees, second one at 3 rupees and third one at 0.5 rupees.

If he bought 100 chocolates in total, how many pieces do you think he bought each chocolate?

I speak without a mouth, and hear without ears. I have no-body, but I come alive with the wind. What am I?