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

The day before yesterday I was 25 and the next year I will be 28. This is true only one day in a year. What day is my birthday?

I possess a head

I flaunt a tail

But I don't have mouth or legs

Can you find out who I am?

If you’ve got me, you want to share me; if you share me, you haven’t kept me. What am I?

There is a brick of gold and a brick of iron in a boat (both 10-inch blocks), if they are both dropped into the water which will make the water level higher?

what one word does the below rebus identifies?

Get total of 120 by using five zeros 0,0,0,0,0 and any one mathematical operator.
Do you ?

The Little ant seems to be always confused. Do you know why?

Replace the question mark with the correct number in the below-given picture?

I have a clock(12-hour format) and both the needles of the clock overlap at 12:00.
After how much time, they will overlap again?