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

Take away my first letter, then take away my second letter. Then take away the rest of my letters, yet I remain the same. What am I?

Solve the equation by replacing the alphabet with numbers.

MOM + MOM + NO = BOOK=

The below given figure comprises of a pattern through which you can determine the missing letter. Can you push your mind to find the pattern and add the missing letter?

I look at you, you look at me I raise my right, you raise your left. What am I?

What does this rebus riddle means ?

A Man gave one of his sons 10 cents and another son was given 15 cents. What time is it?
Hint: Figure out the relation between time and number, is not so easy..:)

There were three women in all the swimming costumes!
One was happy and the other two were sad!
The happy one was crying and the sad ones were smiling.
Why was this?

In a box, there is a jumble of 7 red balls, 6 blue balls, 5 green balls, and 4 yellow balls. What is the minimum number of balls, will you have to pick up so that you have at least 4 balls of the same colour?

A 52% bias toss for head using the 51% tail bias coin was done to obtain a fair result.

Can you find how bias is the floor in this case?