What is the next number in this series?

4,12,84,3612....

While going to your grandmother's house, you counted Twenty houses on the right side. While returning back to your home, you counted Twenty houses on the left side.

How many houses are there between your home and your grandmother's home?

If it took eight men ten hours to build a wall, how long would it take four men to build it?

The peacock is a bird that does not lay eggs. How do they get baby peacocks?

What four weights can be used to balance from 1 to 30 pounds?

I am a type of room you cannot enter or leave. Raised from the ground below, I could be poisonous or a delicious treat. What am I?

If all Goats are Sheep and all Sheep are Deers, are all Deers Goats ?

Can you name any English verb that becomes its past tense by simply rearranging the alphabets ?

How do you go from 98 to 720 using just one letter?

If you read clockwise, you can form a word by inserting three missing letters in the picture given below. Can you do it?