Which is faster, Heat or Cold ? Explain.

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

A rain drop fell from one leaf to another leaf and lost 1/4th of its volume. It then fell to another leaf and lost 1/5th of the volume. It again fell on another leaf and lost 1/5th of the volume.



This process kept repeating till it fell on the last leaf losing 1/75th of its volume.



Can you calculate the total percentage of loss from the initial volume when the drop has fallen to the last leaf accurate up to two decimal places?

If Rajina's daughter is my daughter's mom, who am I to Rajina?

A professor thinks of two consecutive numbers between 1 and 10.
'A' knows the 1st number and 'B' knows the second number

A: I do not know your number.
B: Nor do I know your number.
A: Now I know.

What are the four solutions for this?

I am the one who remains awake when you sleep. But I need to rest when you awake. Who Am I?

You have 1023 apples and 10 bags. You have to distribute these apples in these 10 bags in any way you choose. But when I ask for a certain number of apples you have to give them in terms of bags without transferring the apples from other bags. How do you distribute the apples?

If it took eight men ten hours to build a wall, how long would it take four men to build it?

Replace the question mark in the picture below.

Until it is measured, not known. Yet how you miss it when it has gone. What is it?