It can't be seen, can't be felt, can't be heard, and can't be smelt.
It lies behind stars and under hills, And empty holes it fills.
It comes first and follows after, Ends life, and kills laughter.
What is it?

We have shown you a regular water barrel as below. Without using any measuring device can you check if the barrel is more than half-filled or less than half-filled?

Who can jump higher than a Mountain?

Get total of 120 by using five zeros 0,0,0,0,0 and any one mathematical operator.
Do you ?

How is a fly different from a mosquito?

Complete the table series riddle by finding the number that can replace "??".

If,

20 % 5 = 24

21 % 7 = 33

42 % 6 = 67

Then;

66 % 6 = ?

Why is a river so rich ?

Find out the missing number in the picture attached:

Which three-digit number, made of consecutive digits, like 567, is 2 less than a cube and 2 more than a square?