A large container is kept in open under the rain. Every passing hour, the water collected inside the container becomes double what it was.

In ten hours, the container is filled completely. Can you calculate how long would it have taken to be filled in half?

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

Complete the following series. It.s very logical:

1, 4, 5, 6, 7, 9, 11, __?

How many times can you subtract the number two from the number fifty?

When I go in I might cause pain. I cause you to spit and ask you not to swallow. I can fill your hole. What am I?

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

I am working in a bus company. The company recently went under expansion and therefore there was not enough room for all the buses. As a result, twelve buses had to be stored outside.

If the company decides to expand the garage space by forty percent, enough space to accommodate the current buses will be created leaving enough space for twelve more buses if the need arises in future.

Can you calculate the number of buses that the company owns at present?

What time is it when an elephant sits on a fence?

How much will a 38° angle measure when looked at under a microscope that magnifies ten times?

Make eight squares by moving only two matchsticks.
Note- Square can be of different sizes.