I throw two dice simultaneously.

What is the probability of getting a sum as 9 of the two numbers shown?

After teaching his class all about Roman numerals (X = 10, IX=9 and so on) the teacher asked his class to draw a single continuous line and turn IX into 6. The teacher's only stipulation was that the pen could not be lifted from the paper until the line was complete.

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

By removing one matchstick and adding one matchstick, can you convert the word "ZOO" to an animal name?

O_er_t_o_

Complete the missing letters of the given word.

John is 45 years older than his son Jacob. If you find similarities between their ages, both of their ages contain prime numbers as the digits. Also, John's age is the reverse of Jacob's age.

Can you find their ages?

What does below chemistry rebus means?

How can you leave a room with two legs and return with six legs?

The person who makes it has no need for it. He who purchases it does not use it. The person who does use it does not know they are. What is it?

A pond had 60 fish, out of which, all but 20 died.
How many fishes are now present in that pond?