When I get multiplied by any number, the sum of the figures in the product is always me. What am I?

What Time Should the last watch show in the below figure?

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

Can you calculate the probability of getting a sum of six when a dice is thrown twice?

Where do fish keep their money?

Find The Next Number in the series:

12 13 15 17 111 113 117 119 123 ?

With the help clues provided in the image, can you find the 5 digit key?

Look at me. I can bring a smile to your face, A tear to your eye, Or even a thought to your mind. But, I can't be seen. What am I?

A guard is positioned at the one side of the bridge saying ‘A’. His task is to shoot all those who try to leave from ‘A’ to the other side and say ‘B’. He also need to welcome the person who comes from another side ‘B’ to his side ‘A’. The guard comes out of his post every 1 hour and looks down the bridge for any people trying to leave. You are at side ‘A’ and wish to go to another side ‘B’. you also know that it would take 1:45 hr to cross the bridge. How will you cross the bridge?

How can you make the following equation true by drawing only one straight line: 5+5+5=550 ?