What number do you get when you multiply all of the numbers on a telephone's number pad?

Baseball bat and ball cost $100. If the bat cost $99 more than the ball, what is the cost of each?

A mile-long train is moving at sixty miles an hour when it reaches a mile-long tunnel. How long does it take the entire train to pass through the tunnel?

My location can be determined by the below rebus.
So where am i ?

You are on a Boat in the mid of a river. You have two cigarettes with you. One of these two you have to light, how will you light the cigarette?

Using four sevens (7) and a one (1) create the number 100. Except for the five numerals, you can use the usual mathematical operations (+, -, x, :), root and brackets ()

Solve the rebus riddle in the picture below.

When you stop to look, you can always see me. But if you try to touch me, you can never feel me. Although you walk towards me, I remain the same distance from you. What am I?

Replace the question mark with the correct number.

Before Balboa discovered the Pacific Ocean, which was the largest ocean before that?