John’s parents have three sons: Snap, Crackle, and what’s the name of the third son?

The centre of the third figure is empty. What digit should fit inside?

There is a square of a particular number which when doubled, becomes 7 more than its quarter.

Can you find the number?

If you toss a coin 10 times and it lands heads up every time, what are the chances it will land heads up if you toss it again?

I have a hole in my back and legs I lack.
I live where I can’t breathe and I eat without teeth.
What am I?

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

Using the clues below, what four numbers am I thinking of?

The sum of all the numbers is 31.
One number is odd.
The highest number minus the lowest number is 7.
If you subtract the middle two numbers, it equals two.
There are no duplicate numbers.

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

If you drop a 15 kg iron bar and a 5 kg bag of cotton from a height of 50 meters which will reach the ground first?

In the picture that is attached with this question, you can find a square which comprises of four little squares inside it. Consider this square to be made with matchsticks. You have to remove two matchsticks such that only two squares remain instead of five.How will you do it ?