Why is Saturday stronger than Monday?

No matter how little or how much you use me, you change me every month. What am I?

1 rabbit saw 9 elephants while going to the river. Every elephant saw 3 monkeys going toward the river. Each monkey had 1 parrot in each hand. How many animals are going towards the river?

What will you call your mother's brother's brother-in-law?

What does the below image rebus riddle means ?

Two friends Smith and Andrew were talking about the bravery of their families. Smith told great stories about his courageous grandfather who fought for Britain in "World War I". Andrew told that his grandfather was so brave that in 1919 just after the war he was honoured with a bravery medal with the words "For our Courageous Soldiers In World War I" embedded into it. Smith knows that his friend is lying. How?

What is the riddle which can be asked all day with a different correct answer each time.

I shave every day, but my beard stays the same. What am I?

Prove that twice of ten is the same as twice of eleven.

Replace the question mark with the correct number.