If we add four times the age of John four years from now to five times his age five years from now we get ten times his current age.

How old will John be two years from now?

John drives to his office at 20km/hr. After reaching the office, he realizes that today is a holiday. He went back at an average speed of 30km/hr. Discounting the time spent in the stoppage what was the average speed of his journey?

A girl is twice as old as her brother and half as old as her father. In 50 years, her brother will be half as old as his father. How old is the daughter now?

Can you write down eight eights so that they add up to one thousand?

John was gifted a new Hayabusa. He drove x miles at 55mph. Then he drove x+20 miles at 40mps. He drove his bike for 100 minutes. How much distance did he travel?

I throw two dice simultaneously.

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

Quickly Solve this riddle

7 - 4 + 3 * 0 + 1 = ?

What is the value of 1/2 of 2/3 of 3/4 of 4/5 of 5/6 of 6/7 of 7/8 of 8/9 of 9/10 of 1000?

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?

There is a square of a particular number which when doubled, becomes 7 more than its quarter.

Can you find the number?