If it took eight men ten hours to build a wall, how long would it take four men to build it?

2, 3, 5, 9, 17, _ What is the next number in the sequence?

Why do people go to bed?

What jumps when it walks and sits when it stands?

How many triangles can you find in this given picture?

In a boat, the father of a sailor's son is sitting with the son of the sailor. However, the sailor is not present on the boat.

Can this even be possible?

A brand new Mobile Phone was on sale at 20% as a promotional offer. By what per cent must the Mobile price be increased to sell it at the original price again?

A man is sitting in a bar when a rich man sits next to him. He turns to the rich man and says, “Did you know I know almost every song that has ever existed?”

The rich man laughs. The man then says, “I bet you all the money you have in your wallet that I can sing a genuine song with a lady’s name of your choice in it. The rich man laughs again and says, “OK, how about my daughter’s name, Jamie Armstrong-Miller?” Minutes later, the man collects his cash and the rich man goes home cashless. What song did the man sing?

What is in seasons, seconds, centuries and minutes but not in decades, years or days?

Why are televisions attracted to people?