I throw two dice simultaneously.

What is the probability of getting a sum as 9 of the two numbers shown?

Using Only Five 5's and any mathematical operator make sum as 37

Christina has four daughters, and each of her daughters has a brother. How many children does Christina have?

A cricket has 6 legs, a squirrel has 4 legs and a spider has 8 legs.

In a local zoo, it was found that the total number of legs is 612. Also, there are equal number of each of the above animals/insects.

Can you find out how many animals are there in the zoo?

The square root of number 121 is "11". What is the square root of the number "12345678987654321."?

Find three whole, positive numbers that have the same answer when multiplied together as when added together.

A chicken farmer has figured out that a hen and a half can lay an egg and a half in a day and a half. How many hens does the farmer need to produce one dozen eggs in six days?

Get total of 120 by using five zeros 0,0,0,0,0 and any one mathematical operator.
Do you ?

Baseball bat and ball cost $100. If the bat cost $99 more than the ball, what is the cost of each?

Can you think of any three-dimensional shape that comprises of exactly two surfaces?