If you read clockwise, you can form a word by inserting three missing letters in the picture given below. Can you do it?

If an electric train is travelling south, then which way is the smoke going?

John bought 150 chocolates but he misplaced some of them. His Father asked him how many chocolates were misplaced.
He gave the following answer to him:
If you count in pairs, one remains
If you count in threes, two remain
If you count in fours, three remain
If you count in fives, four remain
If you count in sixes, five remain
If you count in sevens, no chocolate remains.

Can you analyze the statements and tell us how many chocolates were lost?

When my father was 31 I was 8. Now he is twice as old as me. How old am I?

Consider all the numbers between 1 and 1 million. Among all these numbers, there is something very special about the number 8 and the number 2202. What is it?

I come in different shapes and sizes.
Parts of me are curved, other parts are straight.
You can put me anywhere you like,
but there is only one right place for me.
What am I?

What is next number in the pattern below:

131 517 192 123 ?

In 1990, a person is 15 years old. In 1995, that same person is 10 years old. How can this be?

By moving exactly three matchsticks can you make the below equation true.It can be solved by 3 ways.

A brand new Mobile Phone was on sale at 20% as a promotional offer. By what per cent must the Mobile price be increased to sell it at the original price again?