If we add four times the age of John four years from now to five times his age five years from now we get ten times his current age.

How old will John be two years from now?

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.

What number do you get when you multiply all of the numbers on a telephone's number pad?

A man and a dog were going down the street. The man rode, yet walked. What was the dog’s name?

Forwards I am heavy, backward I am not. What am I?

Next Number in the Series,

5, 16, 49, 104, ?

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

In the picture that is attached with this question, you can find a square which comprises of four little squares inside it. Consider this square to be made with matchsticks. You have to remove two matchsticks such that only two squares remain instead of five.How will you do it ?

There is a box in which distinct numbered balls have been kept. You have to pick two balls randomly from the lot.

If someone is offering you a 2 to 1 odds that the numbers will be relatively prime, for example
If the balls you picked had the numbers 6 and 13, you lose $1.
If the balls you picked had the numbers 5 and 25, you win $2.

Will you accept that bet?

Christina has four daughters, and each of her daughters has a brother. How many children does Christina have?