No one wants to have it, but if one got it, he does not want to lose it. What is It?

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

I’m light as a feather, yet the strongest person can’t hold me for five minutes. What am I?

Can you find out which triangle will have a bigger area among the following?
1. A triangle with sides 300, 400 and 500
2. A triangle with sides 300, 400 and 700

A pond had 60 fish, out of which, all but 20 died.
How many fishes are now present in that pond?

The current time can be represented by below textual rebus.

0
=========
B.Sc
LLB

Can you tell us the current time?

The teacher told the student that if he told a lie then he will be expelled from school and if he told the truth then he still is expelled from school.

What can a student say to prevent his being expelled from school?

Can you count the number of matches in the picture below ?

Place a mathematical symbol between the numerals 5 and 9 in such a way that the resulting number is greater than 5 but smaller than 9.

I know a ten-letter word in the English language which can be typed using only the top rows of the computer keyboard.