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?

Why is the Hole below a Lock?

Find three numbers such that

* When we multiply three numbers, we will get the prime numbers.
* The difference between the second and the first number is equal to the third and second.

Can you identify the direction in which this bus is moving; left or right?

Hint: The bus is moving on the roads of London.

Can you find out the total number of triangles in the given figure?

The average age of 10 members of a committee is the same as it was 4 years ago, because an old member has been replaced by a young member. Find how much younger is the new member ?

Before Mount Everest was discovered, what was the highest mountain in the world?

Find the missing letter in the last circle logically in the given below picture.

A girl was standing near the window thinking something. All of a sudden she decides something and throws something out of the window. She dies very soon after throwing it. She was perfectly healthy and had no disease or allergy. No one killed her and she did not commit suicide.

Can you think of any possible explanation that is logical as well for what happened there?

I’m tall when I’m young, and I’m short when I’m old. What am I?