How can a man go eight days without sleep?

Replace the alphabet with the number such that the below equation holds.

HAPPY
+ DIWALI
--------------
HDLALA
--------------

Can you count the number of triangles in the given figure?

If 21x = 79x, what is the value of x?

How many times in a given day, minutes and hour clock comes in a straight line ?

Solve the equation by replacing the alphabet with numbers.

MOM + MOM + NO = BOOK=

In this image, you can see three almost identical Doraemon images. Can you spot the odd one out from them?

A guard is positioned at the one side of the bridge saying ‘A’. His task is to shoot all those who try to leave from ‘A’ to the other side and say ‘B’. He also need to welcome the person who comes from another side ‘B’ to his side ‘A’. The guard comes out of his post every 1 hour and looks down the bridge for any people trying to leave. You are at side ‘A’ and wish to go to another side ‘B’. you also know that it would take 1:45 hr to cross the bridge. How will you cross the bridge?

There is a unique number which when multiplied by any number from 1 to 6, we will get the new number that contains the same digits only.

Can you find that number?

There is one four-digit whole number n, such that the last four digits of n2 are the original number n