The doctor prescribed you to take one pill from the bottle every half an hour. The bottle is now left with only three pills.

How long do you think you have before you run out of pills?

If,
29 - 1 = 30
9 - 1 = 10
14 - 1 = 15

Based on similar logic, Can you prove that the below algebraic equation is true?
11 - 1 = 10 ?

Find the next number in the series

12, 20, 40, 72, 116, 172 ?

Railroad Crossing, look out for the cars. Can you spell that, without any R's ?

There are two candles. Both will only burn exactly for an hour. How will you use these two candles to measure forty-five minutes?

A man is approaching a broad and barren land. He has a package with him. If somehow, he is unable to open the package before reaching the land, he will die.

Can you guess what is present in the package?

Find out the number of circles in the given picture having Illusion

Why did Navjot Singh Sidhu put the new January calendar in the freezer

1 dollar = 100 cent
= 10 cent x 10 cent
= 1/10 dollar x 1/10 dollar
= 1/100 dollar
= 1 cent

=> 1 dollar = 1 cent

solve this tricky problem?

What is the difference between a jeweller and a jailer?