A man fell off a smuggling boat into deep water. He could not swim and he was not wearing anything to keep him afloat. It took 30 minutes for the people on the boat to realize someone was missing. The missing man was rescued two hours later on the return trip. Why didn't he drown? Note:- He didn't know swimming, the sea was deep, and He wasn't holding anything

I never stop running even when I standstill. If I am formed by joining two identical bodies together, can you guess who I am?

Find The Next Number in the series:

12 13 15 17 111 113 117 119 123 ?

When can we add 2 to 11 and get 1 as the correct answer?

There are 2 people near the river and both of them want to get on the other side. The boat can only take one of them. But they got across.
How?

What is full of holes but still holds water?

Find the number of squares in the below picture

How can you write nineteen in a manner that if we take out one, it becomes twenty?

Can you think of a smallest +ve number such that if we shuffle the digits of the number, the new number becomes double the original number?

What do you call a fish without an eye?