Your job is to measure 45 minutes if you have only two cords and matches to light the cords.

1. The two cords are twisted from various materials, so their different segments can burn at different rates.
2. Each cord burns from end to end in exactly one hour.

Describe your way of measuring the 45 minutes.

What time is it when an elephant sits on a fence?

Jim and Sarah are in a long-distance relationship. Jim buys an engagement ring for Sarah and wants to mail it to her. Unfortunately, the only way to ensure the ring will be received is to place a lock on the package. Jim has locks and Sarah has locks, but neither has keys for each other’s locks. How can they make sure the ring isn’t stolen?

If you had a pizza with crust thickness 'a' and radius 'z', what's the volume of the pizza?

Is the statement valid that it does not matter how much older a sibling is, eventually the younger one will be half as old as the older one?

John can eat 27 chocolates in an hour, Jacob can eat 2 chocolates in 10 minutes, and Jolly can eat 7 chocolates in 20 minutes. How long will it take them to share and eat a box of 120 chocolates whilst playing Chess?

By including only four matchsticks in below picture, you have to make "Four Triangles And Two Squares"

If "P" means "-", "Q" means "/", "R" means "+", and "S" means "*" then find the value of the following:

21 Q 7 R 9 S 10 P 13

What runs around the whole yard without moving?

What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see? What is it?