What number do you get when you multiply all of the numbers on a telephone's number pad?

A pond had 60 fish, out of which, all but 20 died.
How many fishes are now present in that pond?

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?

What occurs twice in a week, once in a year but never in a day?

Below is the sum of symbols in each row and column in the figure. Analyzing the figure, can you find out the value of the symbols?

John can eat 27 chocolates in an hour, Jacob can eat 2 chocolates in 10 minutes, and Jolly can eat 7 chocolates in 20 minutes. How long will it take them to share and eat a box of 120 chocolates whilst playing Chess?

I look flat, but I am deep. Hidden realms I shelter. Lives I take, but the food I offer. At times I am beautiful. I can be calm, angry, and turbulent. I have no heart but offer pleasure as well as death. No man can own me, yet I encompass what all men must have. What am I?

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

The peacock is a bird that does not lay eggs. How do they get baby peacocks?

Cristina was born in 1888. She just had her 30th birthday today how did that happen?