What is the fewest number of coins that would be required in order to make sure each and every coin touches exactly three other coins?

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

81 x 9 = 801. What must you do to make the this equation true?

Why did Navjot Singh Sidhu put the new January calendar in the freezer

Can you find the odd number in the following?

2716, 4135, 5321 and 7145

If,

6 / 7 = 2
3 / 9 = 7
8 / 2 = 6

Then

4 / 5 = ?

What building has the most stories?

There are four 3-link chains. All you have to do is join them into a big 12-link chain. For joining two closed links, one of the links must be cut and placed onto the other link for closing.

How many minimum links will you have to cut to make the big chain?

Can you count the number of seconds in a year?

Clue: You need to bother about calculation.

Count the number of squares in the picture below.