Find the next number in the series?
2, 12, 36, 80, 150, 252, 392, _ ?

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

Decode below rebus
D
N
A
T
S , D

Can you divide the below-given shape into four equal and identical pieces?

The average age of 10 members of a committee is the same as it was 4 years ago, because an old member has been replaced by a young member. Find how much younger is the new member ?

Identify the 10 differences between the two given pictures.

What word begins and ends with an E, but has only one letter?

A man has a barrel filled with oil that weighs 100 pounds, and then he puts something into it. Now the barrel weighs less than 100 pounds. What did he put in the barrel?

On the dull night when the blonde was dozing, she heard an odd clamour and she saw that there was a bizarre man with a gun simply outside her home. So she raced to the telephone to call the police, however, she can't dial 911. Why?

What is a word made up of 4 letters, yet is also made up of 3. Sometimes is written with 9 letters, and then with 4. Rarely consists of 6, and never is written with 5.