What has 88 keys?

Two natural numbers have a sum of less than 100 and are greater than one.

John knows the product of the numbers and Jacob knows the sum of numbers.

The following conversation takes place between them:
John: 'I am not aware of those numbers.'
Jacob: 'I knew you wouldn't be. I am not aware myself.'
John: 'Now I know them!'
Jacob: 'Now I know them, too!'

What are the two numbers?

The measurement of time, That can't be found on a clock, But can be looked upon on a map.

Who is He ?

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?

In an interview, a boy was asked an unusual question 'How two persons sitting with a table in between them can't see each other?' He was unable to reply. Can you?

Identify The phrase in the picture.

I can be cracked, made, told, and played. What am I?

Using Only Five 5's and any mathematical operator make sum as 37

Can you arrange four 9's and use at most 2 math symbols, to make the total 100?

In the given figure, you can see that four match sticks are used to form a square. Can you form five squares by using six matches?