You are given a cube that is made with the help of 10x10x10 smaller cubes summing up to a total of 1000 smaller cubes. You are asked to take off one layer of the cubes.
How many remain now?

John replied, when asked how old he was. In 2 years he will be twice as old as he was five years ago.' How old is he ?

What is the largest number you can write with just 3 digits?

Can you arrange four 9's and use at most 2 math symbols, to make the total 100?

There is a straight highway. Four different villages lie on that highway. The distance between them is different. The third village is 60km away from the first village; the fourth is 40 km away from the second; the third is 10 km near to the fourth that it is to the second.

Can you calculate the distance between the fourth and the first village ?

What is next number in the pattern below:

131 517 192 123 ?

Rectify the following equality 101 - 102 = 1 by moving just one digit.

You need to arrange three 7 and mathematical symbols to form number 1?

All of Jacob's shoes are red except two.
All of Jacob's shoes are green except two.
All of Jacob's shoes are yellow except two.

How many shoes does Jacob have?

Can you make numbers like 24, using numbers 3,3,7 & 7 with any arithmetic operator?