A mother is 21 years older than her child. In exactly 6 years from now, the mother will be exactly 5 times as old as the child.
Where's the father?

We have four gears with below features=> Both Gear A and D has 60 teeth=> Gear B has 40 teeth=> Gear C has 20 teeth=> Every two minutes, Gear B makes 25 full turns.What is the relative speed of Gear A and Gear B?

Why did the Girl throw the butter out of the window?

Find the next number in the series below.

6 18 270 72090 ?

A word I know has six letters it contains, remove one letter and 12 remain. What is it?

During which month do people sleep the least?

There is an English word that can be used up to four times in a row without modifying the spelling and form a valid grammatical sentence.

Do you know what word is that?

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

There is a wide field of corn. A goose finds its way into the field and starts running. Can you find out till which point the goose can run into the field?

Can you complete the sequence?

192, 021, 222, 324, 252, 627, 2__, 9__?