You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?

A girl is twice as old as her brother and half as old as her father. In 50 years, her brother will be half as old as his father. How old is the daughter now?

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?

We know that the number 7 is the prime followed by a cube. Which next number is also a prime followed by a cube?

What has lots of eyes, but can’t see?

Find the mistake in the below maths equations

A = 2
A(A-1) = 2(A-1)
A2-A = 2A-2
A2-2A = A-2
A(A-2) = A-2
A = 1

In a university, a professor gave a set of three problems to the three brilliant students of his class. See the image for the questions.

Which tank will fill first?

What number divided by 4 is the same as that number minus 4?

what one word does the below rebus identifies?