Take 9 from 6, 10 from 9, 50 from 40, and leave 6.

How Come ??

John was born on March 5, 1970, in Delhi, India. Jacob was born 25 days before John. The year when they took birth, Republic Day fell on Monday.

Can you find out on what day was Jacob born?

Can you fill the blank with the correct number?

6 30 870 756030 _____

Can you find out the total number of triangles in the given figure?

A generous owner of a company decided to give a bonus of $45 to every man and $60 to every woman on his birthday. But only one-ninth of the men and one-twelfth of the women were present to take the bonus.

Can you calculate the amount of money the owner spent if there were 3552 employees?

John was driving a bus and got stuck when passing through an underpass. Then came Jacob with a needle and got the bus out of the underpass.

What did the boy do?

When I got four, I have it none.
When I got two, I have it some.
When I got none, I have it all.

What is it?

The person who makes it has no need for it; the person who buys it has no use for it. The person who uses it can neither see nor feel it. What is it?

Can you find a number that lies one third of the distance between 1/3 and 2/3?

Can you count the number of seconds in a year?

Clue: You need to bother about calculation.