An express train takes 3 seconds to enter the tunnel which is 1 km long.
If it is travelling at 120 km an hour, how long will it take to pass completely through the tunnel?

Why is the longest human nose just 11 inches?

Jack have ten pairs of black socks, eight pairs of white socks and seven pairs of green socks. Everything is mixed in a draw. As there is no light he were not able to identify the colour of the socks. How many of the socks did he want to take to match one pair

What is greater than gold but cannot be bought. it can never be sold and can earn if its sought. though it can be broken, it can still be fixed. for by birth it can't start nor by death it is ended.what am i?

Can you find out the remainder when 3^300 is divided by 5?

Who is generally closer to the kids, mom or dad?

(it's a funny riddle)

Can you solve this amazing hard number series problem?
7, 8, 10, 12, 16, 18 ?

A sundial has the fewest moving parts of any timepiece. Which has the most?

In my garden, I have many trees but only one of them is the mango tree. In these mango trees, there are some mangoes(as expected).

But after a strong wind, there are neither mangoes on the tree nor on the ground. Explain?

Move four matchsticks to the below square to form three squares?