You see a boat filled with people, yet there isn’t a single person on board. How is that possible?

Can you find the odd number in the following five choices?

1) 482636
2) 259807
3) 865195
4) 104739
5) 391744

When my father was 31 I was 8. Now he is twice as old as me. How old am I?

During an experiment, a guy throws a bouncy ball from a 100 feet tall building. The ball has a specific characteristic. Every time it hits the ground, it bounces up halfway.

How many bounces do you think the ball will make before it comes to a stop ?

Which tank will fill first?

John was working on a Chemical Mixture whose weight comprise 90% liquid and 10% solid. The total weight of the mixture is 20 pounds. After a while, John noticed that some of the liquid evaporated and now the liquid comprises just 50% of the weight.

What is the weight of the chemical mixture now?

Spelt forwards I’m what you do every day, spelled backwards I’m something you hate. What am I?

Can anyone tell me a word in the English dictionary which has a silent 'z'?

How many triangles are there on the puzzle below?

If a wheel has 54 spokes, how many spaces are there between the spokes?