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

Before Mount Everest was discovered, what was the highest mountain in the world?

Divide 110 into two parts so that one will be 150 per cent of the other. What are the 2 numbers?

An octopus has 8 legs. A hippogriff has 6 legs and 2 pairs of wings. A sphinx has 6 legs and one pair of wings. Now we have all 3 kinds and a total of 18 insects in a cage. We have a total of 118 legs and 20 pairs of wings. How many insects do we have of each kind?

An express train takes 3 seconds to enter the tunnel which is 1 km long.
If it is travelling at 120 km an hour, how long will it take to pass completely through the tunnel?

What is in seasons, seconds, centuries and minutes but not in decades, years or days?

How many times can you subtract the number 5 from 25?

Below toothpicks/matchsticks indicate the group of fishes moving from west to east direction. Can you make them move from east to west by just moving three toothpicks/matchsticks?

Krish is 45 years old and his mother Crishtina is 73 years old.

Can you find out how many years ago, his mother was three times his age?

Here is a mathematical expression that also secretly tells a movie name. What movie is that?