How do you go from 98 to 720 using just one letter?

It is deaf, Dumb and Blind!!!

Still, always tells the truth. What is it?

Mother's Name is Mrs. SIXTY TWO
Son's Name is FIFTY TWO
Daughter's Name is FORTY TWO
What is Name of Father?

The peacock is a bird that does not lay eggs. How do they get baby peacocks?

Replace the question mark with the correct number in below Picture:

How many cubic feet of dirt are in a hole of one foot deep, three feet long, and two feet wide?

What does it mean?

Can you make a six-letter word using the letters N, A and B ?

John went to meet his friend Jacob, but when he was about to reach the main gate, John notices that Jacob had a mighty dog who was fastened to the tree. The chain is long enough that it allows the dog to reach the main gate.

How can the John reach the main gate?

Prove that twice of ten is the same as twice of eleven.