The doctor advised his patient to take a tablet after every fifteen minutes. He gave him five tablets in total.

How much time will he take to have all the five tablets?

A boy and his father are caught in a traffic accident, and the father dies. Immediately the boy is rushed to a hospital, suffering from injuries. But the attending surgeon at the hospital, upon seeing the boy, says 'I cannot operate. This boy is my son.' How is this situation explained?

Below toothpicks/matchsticks indicate the group of fishes moving from west to east direction. Can you make them move from east to west by just moving three toothpicks/matchsticks?

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

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

Which is the smallest number that you can write using all the vowels exactly once?

You have 1023 apples and 10 bags. You have to distribute these apples in these 10 bags in any way you choose. But when I ask for a certain number of apples you have to give them in terms of bags without transferring the apples from other bags. How do you distribute the apples?

Out of the nine cats that you can see in the picture, there are only two that are completely identical. Can you find them out?

Next Number in the Series,

5, 16, 49, 104, ?

Can you find the odd number in the following?

2716, 4135, 5321 and 7145