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?

A kind heart person buy packed food at 3$/packet from United states and sells them at 1$/packet at Africa. After some time he becomes a millionaire.

How come the guy become millionaire ?

Which three-digit number, made of consecutive digits, like 567, is 2 less than a cube and 2 more than a square?

When I get multiplied by any number, the sum of the figures in the product is always me. What am I?

You are given with the following sum. Each of the letters can be decoded as a digit. If we tell you that D = 5, then can you solve it entirely?

DONALD
+GERALD
=ROBERT

Can you find out which number multiplied by itself will give the output as 12345678987654321?

I am quite hot but become too cold if you remove the first two letters. What am I?

Which Number is the odd one out?

A) 7145
B) 2716
C) 5321
D) 4135

There are four 3-link chains. All you have to do is join them into a big 12-link chain. For joining two closed links, one of the links must be cut and placed onto the other link for closing.

How many minimum links will you have to cut to make the big chain?

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.