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

Can you find the key in the picture below?

Why blonde cannot dial 911?

Can you solve the maths in the below-given picture equation?

Find the next number in the series.
1 10 24 43 67 ?

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?

What does this Rebus Picture means ?

You board a train. The train will have to enter a tunnel soon. You are claustrophobic. Which place is the best for you to sit?

What mathematical symbol can be put between 5 and 9, to get a number bigger than 5 and smaller than 9?

Three doctors said that Bill was their brother. Bill says he has no brothers. How many brothers does Bill actually have?