Below, you will find the mathematical proof that 10 equals 9.99999?. But is that possible or there is something wrong about it? Can you find the error?

x = 9.999999...
10x = 99.999999...
10x - x = 90
9x = 90
x = 10

Which number comes next in the number series?

2, 9, 30, 93, ?

What do you think with the below Picture ?

Why did Buffon take the goal with him after every Juventus match?

Solve the rebus riddle in the picture below.

What breaks yet never falls, and what falls yet never breaks?

There is a place where if I stand up straight, I will still be considered sideways.

Find the Odd One Out?
84129
32418
47632
36119
67626
72927

Krish is 45 years old and his mother Crishtina is 73 years old.

Can you find out how many years ago, his mother was three times his age?

There is a box in which distinct numbered balls have been kept. You have to pick two balls randomly from the lot.

If someone is offering you a 2 to 1 odds that the numbers will be relatively prime, for example
If the balls you picked had the numbers 6 and 13, you lose $1.
If the balls you picked had the numbers 5 and 25, you win $2.

Will you accept that bet?