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

You are on a Boat in the mid of a river. You have two cigarettes with you. One of these two you have to light, how will you light the cigarette?

Take away the whole and some still remain. What is it?

Chhote se Chintu Miyan,
Lambi si Pooch.
Jahan Jaye Chintu Miyan,
Wahan Jaye Pooch.

छोटे से चींटू मियाँ,
लंबी सी पूंछ।
जहाँ जाये चींटू मियाँ,
वहाँ जाये पूंछ।

Bolo kya?

The centre of the third figure is empty. What digit should fit inside?

A man is approaching a broad and barren land. He has a package with him. If somehow, he is unable to open the package before reaching the land, he will die.

Can you guess what is present in the package?

Two batsman each on 94 runs. Seven runs needed to win in last 3 balls. Both make 100*. How?

You see me once in June, twice in November, and not at all in May. What am I?

No matter how little or how much you use me, you change me every month. What am I?

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

How can this be possible?