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

One is to three as three is to five and five is to four and four is the magic number.
What is the pattern?

How can you leave a room with two legs and return with six legs?

Which digit occurred maximum times between the number 1 and 1000?

Which of the below owl is odd one out?

What do you think with the below Picture ?

A maths symbol is hidden in the below Bar Graph. Can you decipher it?

A sea diver is a real show-off. He showed everyone that he can hold his breath underwater for 15 minutes.

I went to the diver and told him that I can be underwater for double the time i.e 30 minutes.
He responded that he will give me 100$ if I would be able to do it. I won 100$.

What did I do?

A man died and leaves Rs.10,000 in his will. There are 6 beneficiaries- his 3 sons and their wives. The 3 wives receive Rs.3960 of which Priyanka gets Rs.100 more than Tanu and Neha gets Rs.100 more than Priyanka.
Pramod gets twice as much as his wife, Tushar gets the same as his wife, and Prashant gets 50% more than his wife.

Who is married to whom?

My friends called me Iron59 because my parents are a chemist and a mathematician. What is my real name?