Can you place three balls such that the equation shown in the picture holds true?

What four weights can be used to balance from 1 to 30 pounds?

John was a very careless driver, so his owner Jacob gave him an offer that he will get an incentive of Rs.30 for every bottle box he delivered without breaking it and he will be charged Rs.90 for every bottle box he broke. Jacob gave John 100 bottles-box to deliver. After delivery, Jacob paid John Rs.2400. How many bottles-box did John break?

Move four matchsticks to the below square to form three squares?

What can run but never walk, have a mouth that never speaks, have a head that never weeps, and have a bed but never sleeps?

How can you spell "White of an egg" in one word?
Hint: I know you can spell coke, poke, and joke.

Can you discover the missing number in this series?

37, 10, 82
29, 11, 47
96, 15, 87
42, ?, 15

A Child was born in Lahore, Pakistan. Still, the child is not a Pakistani citizen. why?

Find three whole, positive numbers that have the same answer when multiplied together as when added together.

What is black when you buy it, red when you use it, and gray when you throw it away?