How many times can you subtract the number two from the number fifty?

There are 2 sand hourglasses.

The small one can measure 5 hours and the large one can measure 7 hours.

How can we measure 16 hours with 2 sand hourglasses running together ?

In a science lab, a petri dish hosts a healthy colony of yeast for an experiment. Now every minute, all the yeast cells divide into two. At noon, there was just a single cell of yeast and at 1:22, the Petri dish was half full. Can you calculate when the dish will be full of yeast?

Below rebus represent famous DiCaprio movie. Can you name it?

A new Engineering building containing 100 offices had just been completed. John was hired to paint the numbers 1 to 100 on the doors. How many times will John have to paint the number nine (9)?

Can you find the next number in the below sequence
3 , 7 , 10 , 11 , 12 , 17 ?

A sundial has the fewest moving parts of any timepiece. Which has the most?

A man was driving a black truck. His lights were not on. The moon was not out. A lady was crossing the street. How did the man see her?

Eight of us go fourth, not back, to protect our king from an attack. What are we?

Why Wine Glass Stem is so long?