Find The Next Number in the series:

12 13 15 17 111 113 117 119 123 ?

What is harder to catch the faster you run?

In the city of Brain Teasers, 5% of people do not list their phone numbers. Now if we select random 100 people from the phone directory, then how many people selected will have unlisted phone numbers?

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 ?

Can you find the next number in the below sequence
3 , 7 , 10 , 11 , 12 , 17 ?

Manish and Manoj play 5 games of chess.
Both Manish and Manoj win the exact same number of games. There is no tie at all.

How?

It has five wheels, though often think four, You cannot use it without that one more, You can put things in it, you can strap things on top, You can't find it in the market, but you can still go shop. What is it?

Our product and our sum always give the same answer. Who are we?

If there are fifteen crows on a fence and the farmer shoots a third of them, how many crows are left?

A word I know,
Six letters contain,
Subtract just one,
And twelve is what remains.