I throw two dice simultaneously.

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

In a school, there are four subjects. Seventy percent of students study English, seventy five percent of students study Science, eighty five percent of students study Mathematics and eighty percent of students study Spanish.

Can you calculate the percentage of students that study all four subjects?

Joseph buys three kinds of chocolates for 100 rupees. The first one is priced at 5 rupees, second one at 3 rupees and third one at 0.5 rupees.

If he bought 100 chocolates in total, how many pieces do you think he bought each chocolate?

Which three-digit number, made of consecutive digits, like 567, is 2 less than a cube and 2 more than a square?

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

I am an odd number. Take away a letter and I become even. What number am I?

John replied, when asked how old he was. In 2 years he will be twice as old as he was five years ago.' How old is he ?

The product of three consecutive numbers is 7980.
Then the sum of these consecutive numbers would be?

Double it and multiply it by 4. Then divide it by 8 and you’ll have it once more. What number is it?

A rubber ball keeps on bouncing back to 2/3 of the height from which it is dropped. Can you calculate the fraction of its original height that the ball will bounce after it is dropped and it has bounced four times without any hindrance ?