If eleven plus two equals one, what does nine plus five equal?

Rectify the following equality 101 - 102 = 1 by moving just one digit.

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

What is the value of 1/2 of 2/3 of 3/4 of 4/5 of 5/6 of 6/7 of 7/8 of 8/9 of 9/10 of 1000?

If a shopkeeper can only place the weights on one side of the common balance. For example, if he has weights 1 and 3 then he can measure 1, 3 and 4 only. Now the question is how many minimum weights and names of the weights you will need to measure all weights from 1 to 1000? This is a fairly simple problem and very easy to prove also.

A plane crashed between the border of Mexico and America. Where do you bury the survivors?

You have a three-gallon and a five-gallon measuring device. You wish to measure out four gallons.

Replace the question mark with the correct number.

Can you Find and name the hidden bird in the picture below ?

Can you count the number of seconds in a year?

Clue: You need to bother about calculation.