Place a mathematical symbol between the numerals 5 and 9 in such a way that the resulting number is greater than 5 but smaller than 9.

Replace the question mark with the number below given a simple math problem.

Solve the alphametic puzzle by replacing the alphabet with the number.

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Find The Missing Number In the Sequence.
6 25 64 ? 32 1

What number when divided in half becomes zero?

Before the start of the car race, John and Jacob have the same amount of fuel in their car. With this fuel, John can drive for 4 hours while Jacob can drive five hours.
After a time they realize that the amount of fuel left in John's car is 1/4th of the fuel in Jacob's.

For how long they are racing?

I have no doors but I have keys, I have no rooms but I have space, you can enter but you can’t leave! What am I?

A man has to get a fox, a chicken, and a sack of corn across a river.

He has a rowboat, and it can only carry him and one other thing.
If the fox and the chicken are left together, the fox will eat the chicken.
If the chicken and the corn are left together, the chicken will eat the corn.

How does the man do it?

The teacher told the student that if he told a lie then he will be expelled from school and if he told the truth then he still is expelled from school.

What can a student say to prevent his being expelled from school?

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?