Be active and find the killer in the picture Riddle below.

I am white when I am dirty, and black when I am clean. What am I?

Which English verb becomes past tense just by rearranging the letters?

I am working in a bus company. The company recently went under expansion and therefore there was not enough room for all the buses. As a result, twelve buses had to be stored outside.

If the company decides to expand the garage space by forty percent, enough space to accommodate the current buses will be created leaving enough space for twelve more buses if the need arises in future.

Can you calculate the number of buses that the company owns at present?

I have feet, but no legs. Which animal Am I?

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

If nine thousand, nine hundred nine dollars is written as $9,909,
how should twelve thousand, twelve hundred twelve dollars be written?

A little girl goes to the store and buys one dozen eggs. As she is going home, all but three break. How many eggs are left unbroken?

Baseball bat and ball cost $100. If the bat cost $99 more than the ball, what is the cost of each?

A girl says this to her best friend: “I was born in 1955, and I celebrated my 17th birthday last weekend.” Her best friend thinks she’s lying, but she’s actually correct. How is that possible?