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

In particular commonwealth games, a female participant won silver and gold medals for a single event.

How can this be possible?

A rubber ball keeps on bouncing back to 2/3 of the height from which it is dropped. Can you calculate the fraction of its original height that the ball will bounce after it is dropped and it has bounced four times without any hindrance ?

What does this rebus puzzle means ?

If you had a pizza with crust thickness 'a' and radius 'z', what's the volume of the pizza?

There are a number of books on a shelf. If one book is the 4th from the left and 6th from the right, how many books are on the shelf?

I am soft and cuddly that soothe your heart. But, If you pick my last name I am going to tear you all apart. Who am I?

Can you find out the missing number?

? 4 5 3 5

9 5 7 10 3

It comprises roots which nobody sees,
Much taller than those trees,
Up and up it goes,
Still it never grows?

John was going on a jungle trip. He asked his wife to pack something to eat, something to drink and something to burn if he feels cold in the jungle. When John opens the backpack he found just one thing in the bag. What was it?