People put me on the table and cut me but do not eat me. What am I?

Can you fill the blank with the correct number?

6 30 870 756030 _____

How many pluses should we put between the digits of 987654321 to get a total of 99, and where?

John said, "If yesterday was tomorrow, today would be Friday."

When did John make this statement?

A number can be multiplied by multiple of nine
i.e 9 18 27 36 45 ...

and the resulting number consist of only one digit.

Can you identify the number ?

A man was going to bleach his socks because they had gotten muddy the day before. As he was pouring the bleach into the washing machine, he spilt some on the floor. He got some cleaning fluid and mopped it up with a rag. Minutes later he was dead. What killed him?

John enters a small room. The Door Closes.
When the door opens, John is in a larger room.

Explain?

What is at the end of a rainbow?

What can you deduce from the following BrainBat?

CRY
LMKI

15 caves are arranged in a circle at the temple of doom. One of these caves has the treasure of gems and wealth. Each day the treasure keepers can move the treasure to an adjacent cave or can keep it in the same cave. Every day two treasure seekers visit the place and have enough time to enter any two caves of their choice.

How do the treasure seekers ensure that they find the treasure in the minimum number of possible days?