John’s parents have three sons: Snap, Crackle, and what’s the name of the third son?

Can you fill the blank with the correct number?

6 30 870 756030 _____

"That Restaurant always remains crowded. This is the reason why nobody goes there".

Can you find a flaw in this statement?

Replace the 'X' with any mathematical symbol to make the expression equal to 111.

18 X 12 X 2 X 3 = 111

As shown in the image, the nine Dogs are square fenced. By constructing just two square fences can you make sure that two Dogs cannot meet each other without crossing the fence?

There was a blind man. He had four socks in his drawer either black or white. He opened it and took out two socks. Now the probability that it was a pair of white socks is 1/2.

Can you find out the probability that he had taken out a pair of black socks ?

A shepherd had 18 sheep, out of which, all but ten died.

Can you tell us how many sheep was he left with?

What does this rebus mean?

O
N
C
E
TIME

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?

Find the next number in the series below

21 32 54 87 131 ?