Find out a multi-digit number that if multiplied by the number 9 or any of its multiplications products (i.e. 18, 27, 36, 45,..) will result in the multiplication factor repeated (n) number of times.

Use only one mathematical symbol and all numbers (0-9) to get a sum of 99

If six children and two dogs were under an umbrella, how come none of them got wet?

There is a shop where written:
Buy 1 for $1
10 for $2
100 for $3
I needed 999 and still only paid $3. How could this be financially viable for the shop-keeper?

1 rabbit saw 9 elephants while going to the river. Every elephant saw 3 monkeys going toward the river. Each monkey had 1 parrot in each hand. How many animals are going towards the river?

If an electric train is travelling south, then which way is the smoke going?

Replace the question mark with the correct number in below Picture:

What goes up but never comes down?

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

Can you find the number?

What is wrong in the below Picture?