What kind of band never plays music?

What do you see in the given picture?

How many triangles are there on the puzzle below?

Manish and Manoj play 5 games of chess.
Both Manish and Manoj win the exact same number of games. There is no tie at all.

How?

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?

You need to complete the maze by entering from the entrance marked below in the figure near the yellow circle, bottom left and leaving from the exit point near the green circle, bottom middle.

Rule of Game: You can move only by exchanging green and yellow circles.

Can you replace the question mark with the correct number?

I am weightless, but you can see me. Put me in a bucket, and I'll make it lighter. What am I?

What three numbers, none of which is zero, give the same result whether they’re added or multiplied?

Give it food and it will live; give it water and it will die.