The person who makes it has no need for it. He who purchases it does not use it. The person who does use it does not know they are. What is it?

How will you measure 15 minutes using two hourglasses of 7 minutes and 11 minutes respectively?

You can see three almost identical images below. Can you spot the odd one out from them?

Which digit occurred maximum times between the number 1 and 1000?

What has a bottom at the top?

Can you write down eight eights so that they add up to one thousand?

John can fit six large chocolate boxes or nine small chocolate boxes into a carton. How many cartons will he require to put sixty-six chocolate boxes into?

In the four images below, can you find the odd one out?

How can you make a TV, a bed, a dog, and a car liquid?

How many sides does a circle have?