You are mixing a mixture of cement and Sand with five gallons of water. You have a garden hose giving you all the water you need. The problem is that you only have a four-gallon bucket and a seven-gallon bucket and neither has graduation marks. Find a method to measure five gallons.

If eleven plus two equals one, what does nine plus five equal?

Prove that the below maths equation is true.

8 + 8 = 91

What is next number in the pattern below:

131 517 192 123 ?

I shave every day, but my beard stays the same. What am I?

Can you decipher the below rebus?

PBLUESAISNUERSES

Three brothers Jacob, John, and James live in Mexico City. The product of the ages of these brothers is 175. Jacob and John are twins. How old is James?

How can you make the following equation true by drawing only one straight line: 5+5+5=550 ?

Christina is older than Kareena and Karishma. Katrina is older than Karishma and younger than Kareena. If Kareena has a brother named John, who is older than Christina, who's the youngest?

Can you find a seven digit number which describes itself. The first digit is the number of zeros in the number. The second digit is the number of ones in the number, etc. For example, in the number 21200, there are 2 zeros, 1 one, 2 twos, 0 threes and 0 fours.