I have Rs.50 and I spend it in the way as below.

Jessica is telling her friends this story and asks them to guess if it’s the truth or a lie: “There was a man sitting in a house at night that had no lights on at all. There was no lamp, no candle, and no other source of light. Yet, he sat in the house and read his book happily.” Her friends say she’s lying, but Jessica corrects them and says she’s telling the truth. Jessica’s story is true—but how?

There are 3 apples in the basket and you take away 2. How many apples do you have now?

Can you count the number of triangles in the given figure?

If eleven plus two equals one, what does nine plus five equal?

A monk has a very specific ritual for climbing up the steps to the temple. First, he climbs up to the middle step and meditates for 1 minute. Then he climbs up 8 steps and faces east until he hears a bird singing. Then he walks down 12 steps and picks up a pebble. He takes one step up and tosses the pebble over his left shoulder. Now, he walks up the remaining steps three at a time which only takes him 9 paces. How many steps are there?

How many triangles can you count in the figure given?

Can you solve this amazing hard number series problem?
7, 8, 10, 12, 16, 18 ?

We have shown you a regular water barrel as below. Without using any measuring device can you check if the barrel is more than half-filled or less than half-filled?

The more it dries, the wetter it becomes. Can you tell what it is?