By moving exactly three matchsticks can you make the below equation true.It can be solved by 3 ways.

What is the fewest number of coins that would be required in order to make sure each and every coin touches exactly three other coins?

I am Huge on Sunday and Saturday.
I am small from Tuesday to Thursday.
I do not exist on Monday and Friday.
Who am I?

Two boys wish to cross a river. The only way to get to the other side is by boat, but that boat can only take one boy at a time. The boat cannot return on its own, there are no ropes or similar tricks, yet both boys manage to cross using the boat.

How?

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

Can you find the key in the picture below?

We know that the number 7 is the prime followed by a cube. Which next number is also a prime followed by a cube?

There are nine dots in the picture that has been attached with this question. Can you join all the dots by drawing four straight lines without picking up your pen?

What always comes into a house through the keyhole?

Find the last number in the series below:

voN luJ yaM raM ---