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

Solve below popular number sequence
314 159 265 358 979 323 846 ?

There is one thing that goes round the house and also inside the house but never even share a brief touch. What is it?

Katniss and Peeta are liars. They both lie on some specific days.

Katniss lies on Fridays, Saturdays and Sundays. She speaks the truth on all other days.

Peeta lies on Tuesdays, Wednesdays and Thursdays. He speaks the truth on all other days.

Can you tell that one day of the week when both of them will say "Tomorrow, I will lie."?

A Shopkeeper sold a few chickens to four different customers on a particular day. It was such that each customer purchased half of the remaining chickens and half the chicken more.

Can you find out how many chicken were sold by the shopkeeper on that day if we tell you that the fourth customer bought a single chicken ?

Three fair coins are tossed in the air and they land with heads up. Can you calculate the chances that when they are tossed again, two coins will again land with heads up?

I am a white box having no key or lid.
Yet there is a golden treasure inside it.

What Am I?

what does the below math rebus puzzle mean?

The square root of number 121 is "11". What is the square root of the number "12345678987654321."?

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?