In the city of Brain Teasers, 5% of people do not list their phone numbers. Now if we select random 100 people from the phone directory, then how many people selected will have unlisted phone numbers?

You need to arrange three 7 and mathematical symbols to form number 1?

Can you replace the question mark with the correct number?

A Child was born in Lahore, Pakistan.

Still child is not a Pakistani citizen.why ?

Double it and multiply it by 4. Then divide it by 8 and you’ll have it once more. What number is it?

Kareena is older than Katrina and younger than Karishma. Isabelle is younger than Bipasha and Karishma. Bipasha is older than Karishma. If Kareena and Isabelle are the same age, who's the youngest?

If 2 workers can complete painting 2 walls in exactly 2 hours.

How many workers would be needed to paint 18 walls in 6 hours?

The average age of 10 members of a committee is the same as it was 4 years ago, because an old member has been replaced by a young member.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

You have two strings whose only known property is that when you light one end of either string it takes exactly one hour to burn. The rate at which the strings will burn is completely random and each string is different.

How do you measure 45 minutes?

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?