Replace the 'X' with any mathematical symbol to make the expression equal to 111.

18 X 12 X 2 X 3 = 111

As shown in the image, the nine Dogs are square fenced. By constructing just two square fences can you make sure that two Dogs cannot meet each other without crossing the fence?

Why is it very easy to weigh a fish?

If there are fifteen crows on a fence and the farmer shoots a third of them, how many crows are left?

In 1990, a person is 15 years old. In 1995, that same person is 10 years old. How can this be?

Until it is measured, not known. Yet how you miss it when it has gone. What is it?

When I get multiplied by any number, the sum of the figures in the product is always me. What am I?

You want to boil a two-minute egg. If you only have a three-minute timer (hourglass), a four-minute timer and a five-minute timer, how can you boil the egg for only two minutes?

The dirtier I get, the whiter I look. Who am I?

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?