What occurs twice in a week, once in a year but never in a day?

John has eleven friends. He has a bowl containing eleven apples. Now He wants to divide the eleven apples among his friends, in such a way that an apple should remain in his bowl.
How can He do it?

A pond had 60 fish, out of which, all but 20 died.
How many fishes are now present in that pond?

What breaks yet never falls, and what falls yet never breaks?

What is common among 11, 69, and 88?

Birbal was jester, counsellor, and fool to the great Moghul emperor, Akbar.
The villagers loved to talk of Birbal's wisdom and cleverness,
and the emperor loved to try to outsmart him.
One day Akbar (emperor) drew a line across the floor.
"Birbal," he ordered, "you must make this line shorter, but you cannot erase any bit of it."
Everyone present thought the emperor had finally outsmarted Birbal.
It was clearly an impossible task.
Yet within moments the emperor and everyone else present had to agree that Birbal had made the line shorter without erasing any of it.
How could this be?

What number comes next in this sequence:
7 8 5 5 3 4 4 _

I am a seven-letter word but if you remove four of my letters I will have one left. What word am I?

In the given picture, in how many ways can you read the word "Tiger"?

Andrew sees a very rare bird named "Ruppell's vulture". Soon Andrew was dead. Can you explain the mystery, Mr. Sherlock?