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

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

Find the missing number in the series below

13 -21 34 -55 ? -144

John is pretty weird. He likes toffees but hates chocolates. He loves books but never reads. He likes to build his troops in an online game but does not proceed with the war. He likes to go swimming but is afraid of water.

Seeking this behaviour, can you tell whether he likes balloons and parties?

using four eights (8) and a one (1) and one mathematical symbol , create the number 100

The doctor advised his patient to take a tablet after every fifteen minutes. He gave him five tablets in total.

How much time will he take to have all the five tablets?

What is more useful when it is broken?

What happened when the wheel was invented?

Can you quickly find which two matchstick figures are identical?

There is a square of a particular number which when doubled, becomes 7 more than its quarter.

Can you find the number?