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

Find the missing letter in the last circle logically in the given below picture.

People make me, save me, change me, raise me. What am I?

what does this picture(rebus) riddle means ?

Can you find the missing letter in the sequence?
S - T - I - L - ? - T - F - Y - C

A clock loses 10 minutes each hour. If the clock is set correctly at noon, what time is it when it reads 3 PM?

You visit a home for specially-abled children on the occasion of Christmas where you meet with 50 children. You have a box of chocolates containing 50 chocolates exactly.

What if you were asked to one chocolate to each child in a manner that one chocolate still remains in the box? Is it possible?

I am the black child of a white father, a wingless bird, flying even to the clouds of heaven. I give birth to tears of mourning in pupils that meet me, even though there is no cause for grief, and at once on my birth, I am dissolved into air. What am I?

If an electric train is travelling south, then which way is the smoke going?

How many pluses should we put between the digits of 987654321 to get a total of 99, and where?