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

Two men play a dice game involving roll of two standard dice. Man X says that a 12 will be rolled first. Man Y says that two consecutive 7s will be rolled first. The men keep rolling until one of them wins.

What is the probability that X will win ?

John drives to his office at 20km/hr. After reaching the office, he realizes that today is a holiday. He went back at an average speed of 30km/hr. Discounting the time spent in the stoppage what was the average speed of his journey?

Can you fill the blank with the correct number?

6 30 870 756030 _____

Can you find the odd number in the following?

2716, 4135, 5321 and 7145

You need to move three matchsticks to form three squares. Can you do it?

A farmer went to a market and bought a wolf, a goat, and a cabbage. On his way home, the farmer came to the bank of a river and rented a boat. But crossing the river by boat, the farmer could carry only himself and a single one of his purchases: the wolf, the goat, or the cabbage. If left unattended together, the wolf would eat the goat, or the goat would eat the cabbage. The farmer’s challenge was to carry himself and his purchases to the far bank of the river, leaving each purchase intact. How did he do it?

The person who makes it has no need for it. He who purchases it does not use it. The person who does use it does not know they are. What is it?

I am a normal creature, but I have five hands. I can even have more but even then I will be considered normal.

Who am I?

When my father was 31 I was 8. Now he is twice as old as me. How old am I?