Which is the smallest number that you can write using all the vowels exactly once?

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

Guess the hidden movie name?

Move three sticks of the spiral below to form a square.

What is next number in the pattern below:

131 517 192 123 ?

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

Find three whole, positive numbers that have the same answer when multiplied together as when added together.

Can you find the next number in the below sequence
3 , 7 , 10 , 11 , 12 , 17 ?

I am beautiful, up in the sky. I am magical, yet I cannot fly. To people I bring luck, and to some people, riches. The boy at my end does whatever he wishes. What am I?

How many triangles can you count in the figure given?