Can you find the next number in the below sequence
3 , 7 , 10 , 11 , 12 , 17 ?

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?

Find three numbers such that When we multiply three numbers, we will get the prime numbers. The difference between the second and the first number is equal to the third and second.

What has to be broken before you can use it?

How many pluses should we put between the digits of 987654321 to get a total of 99, and where?

Why Wine Glass Stem is so long?

Solve the mathematical equation in the picture below.

In The 1st month of this year(the year 2013), I noticed that the date 13-1-13 (13 January 2013) is special.

This date is special as:

Date * Month = Year.

Can you figure out which year of this century has a maximum number of such dates?

What part of the chicken has the most feathers?

Prove that the below maths equation is true.

8 + 8 = 91