calculation

Did you know that the rice flour used to draw 'kolams' every morning is meant as a meal offering to ants, birds and bugs?

If you were to walk into the eighth grader’s classroom and ask him to add, subtract or multiply numbers ranging up to 20 crore, the right answer would come before you even manage to get your calculator out and punch in the numbers!

What is the sum of 69, 90, 21, 57, 43, 99, 79, and 80? Before you even begin to think about picking up a calculator to come up with the answer, this bunch of girls will have it ready for you, in less than six seconds.