10+10 and 11+11 can give you the same answer.

Explain how?

I’m light as a feather, yet the strongest person can’t hold me for five minutes. What am I?

What is common among 11, 69, and 88?

If one and a half boys, eat one and a half burgers in one and a half hours.

How many burgers can 9 boys eat in 3 hours?

Can you make a six-letter word using the letters N, A and B ?

John was visiting his friend Jacob. He found out that his friend's wife had just killed a burglar in self-defense.
John asks Jacob about what happened and he told that "His wife was watching television when suddenly the bell rang. She thought that it is her husband Jacob but she found the burglar who attacked her instantly and she got so frightened that she killed the burglar immediately with the knife.
John asked the police to arrest his friend's wife. Why?

In a school, 280 students studied chemistry, 254 students studied physics and 280 students studied biology.

97 students studied chemistry as well as physics, 138 students studied physics as well as biology and 152 students studied chemistry as well as biology.

73 students studied all the three branches.

Can you find out the total number of students?

Decode below three cipher riddles:

26 L of the A
7 D of the W
1000 Y in a M

Find the next number in the series below.

6 18 270 72090 ?

What month of the year has 28 days?