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

Yesterday I fell from 30 feet high ladder but I don't get hurt. Why?

In this image, you can see three almost identical Doraemon images. Can you spot the odd one out from them?

There is a square piece of paper with a hole that is denoted by the circle on the top right side in the given picture. You have to cut the paper in a manner that it forms two and only two separate pieces of paper and then rearrange the pieces in a manner that the holes come in the centre of the paper.

I sleep during the day and fly at night, but I have no feathers to aid my flight. What am I?

John speaks the truth only once a day in a week. Below are a few hints for you:

First: Days are Sunday, Monday and so on.
Second: One day he says, "I lie on Monday and Tuesday".
Third: On the next day, he says, "Today is either Thursday, Saturday or Sunday".
Fourth: On the next day, he says, "I lie on Wednesday and Friday".

Can you identify the day on which he speaks the truth?

The day before yesterday I was 25 and the next year I will be 28. This is true only one day in a year. What day is my birthday?

Solve the equation by replacing the alphabet with numbers.

MOM + MOM + NO = BOOK=

What does this rebus riddle means ?

In a stable, there are men and horses. In all, there are 22 heads and 72 feet. How many men and how many horses are in the stable