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

John leaves home and then he takes three right turns. John wants to return to home but he was scared of Jacob, who is wearing a mask.

What is John Situation ?

Can you identify the hidden rebus in the image below?

I shave every day, but my beard stays the same. What am I?

Forwards I am heavy, backward I am not. What am I?

I am a prime number.
The double of myself is equal to the square of me.

which number am I?

John bought 150 chocolates but he misplaced some of them. His Father asked him how many chocolates were misplaced.
He gave the following answer to him:
If you count in pairs, one remains
If you count in threes, two remain
If you count in fours, three remain
If you count in fives, four remain
If you count in sixes, five remain
If you count in sevens, no chocolate remains.

Can you analyze the statements and tell us how many chocolates were lost?

Teacher ask the student

'Why are you standing on that chair in music class ?'.

what did student replied ?

While preparing the table for dinner, wife came up with an idea to tease his mathematician husband. She asked her husband to pick nine toothpicks and make ten without breaking any toothpick.

The husband was also smart and did it within seconds. How ?

What has 88 keys?