The square root of number 121 is "11". What is the square root of the number "12345678987654321."?

Find the next number in the series?
2, 12, 36, 80, 150, 252, 392, _ ?

Find the number of squares in the below-given picture.

"That Restaurant always remains crowded. This is the reason why nobody goes there".

Can you find a flaw in this statement?

I have branches, but no fruit, trunk or leaves. What am I?

You visit a home for specially-abled children on the occasion of Christmas where you meet with 50 children. You have a box of chocolates containing 50 chocolates exactly.

What if you were asked to one chocolate to each child in a manner that one chocolate still remains in the box? Is it possible?

They are the five precious gems of an everyday sort and all can be found on a Tennis Court. Who are they?

What number divided by 4 is the same as that number minus 4?

A prisoner is told: "If you tell a lie, we will hang you and if you tell the truth, we will shoot you." What did the prisoner say to save himself?

Cristina leaves home and then she makes exactly 3 left turns and returns home where she found 2 girls wearing the mask.

Who are these two masked girls?