Why is it very easy to weigh a fish?

There once were seven dwarfs who were all brothers. They were all born two years apart. The youngest dwarf is seven years old. How old is his oldest brother?

I am the largest in my family of fifty.
The youngest of our family lives separately from the rest of the family and so do I.
I am regarded as harsh and tough.
I am so large, you cut me in two equal halves,
each half would still be larger than the second largest member of the family.
Who am I?

Christina has four daughters, and each of her daughters has a brother. How many children does Christina have?

A brand new Mobile Phone was on sale at 20% as a promotional offer. By what per cent must the Mobile price be increased to sell it at the original price again?

They are three errirs in this question. Can you find them?

What does below Rebus say?

XLR8

Can you find a rabbit in the given picture?

Give it food and it will live; give it water and it will die.

Which is faster, Heat or Cold ? Explain.