How many sides does a circle have?

In the attached figure, you can see a chessboard and two rooks placed on the chess board. What you have to find is the number of squares that do not contain the rooks. How many are there?

Can you think of a smallest +ve number such that if we shuffle the digits of the number, the new number becomes double the original number?

Using mathematical symbols like +, -, and x in order to make the equations correct. Replace # with the above-given symbols.

9 # 8 # 7 # 6 # 5 # 4 = 91

What is the longest word in the dictionary?

I am white when I am dirty, and black when I am clean. What am I?

Divide 110 into two parts so that one will be 150 per cent of the other. What are the 2 numbers?

Four men were in a boat on the lake. The boat turns over, and all four men sink to the bottom of the lake, yet not a single man got wet! Why?

We know that money can be names differently for the purpose it is used for. Some of the examples of money given at following places or for following activities:

In temple = Daan
In school = Fees
During marriage = Dowry
For divorce = Alimony
Paying government = Tax
In court = Fine
Employer to employee = Salary
To kidnappers = Ransom
For illegal reason = Bribe
To civil servant retirees = Pension

Do you know what do we call the money a husband gives to his wife?

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