There are hundred red gems and hundred blue gems. The blue gems are priceless while the red gems equal wastage. You have two sacks one labeled Heads and the other Tails. You have to distribute the gems as you want in the two sacks. Then a coin will be flipped and you will be asked to pick up a gem randomly from the corresponding sacks.

How will you distribute the gems between the sacks so that the odds of picking a Blue gem are maximum?

What number when divided in half becomes zero?

What do you see in the given picture?

Can you think of a smallest +ve number such that if we shuffle the digits of the number, the new number becomes double the original number?

A boy and a girl are sitting on the porch.
"I'm a boy," says the child with black hair.
"I'm a girl," says the child with red hair.
If at least one of them is lying, who is which?

The average age of 10 members of a committee is the same as it was 4 years ago, because an old member has been replaced by a young member. Find how much younger is the new member ?

I possess a head

I flaunt a tail

But I don't have mouth or legs

Can you find out who I am?

There are six people in a family namely M, N, O, P, Q and R.

R and O are brother and sister.

N is the brother of Q's husband.
P is the father of M and grandfather of R.

How many male members are in the family?

What month of the year has 28 days?

I have a five and a three-gallon jar. Assuming there is an infinite supply of water, how can I measure one-gallon water?