If two's company, and three's a crowd, then whats four and five ?

When 99 is considered higher than 100?

Be active and find the killer in the picture Riddle below.

There are 2 people near the river and both of them want to get on the other side. The boat can only take one of them. But they got across.
How?

Solve the counting riddle by identifying the number of triangles in the given picture.

An American nightclub called 'The Coconut Grove' had a terrible fire in which over 400 people died. A simple design flaw in the building led to a high death toll. Subsequently, regulations were changed to ensure that all public buildings throughout the country eliminated this one detail, which proved deadly. What was it?

Can you place six matchsticks in a manner that each of the matchsticks is in touch with the other five matchsticks?

You’ll find me on Mercury, Earth, Mars, Jupiter, Saturn, and Uranus. But never Neptune, or Venus. What am I?

If six children and two dogs were under an umbrella, how come none of them got wet?

A frog is at the bottom of a 30-meter well. Each day he summons enough energy for one 3-meter leap up the well. Exhausted, he then hangs there for the rest of the day. At night, while he is asleep, he slips 2 meters backwards. How many days does it take him to escape from the well?