“Two, four, six, eight; bog in, don’t wait”. As children, we learn numbers can either be even or odd. And there are many ways to categorize numbers as even or odd. We may memorize the rule that ...

As children, we learn numbers can either be even or odd. And there are many ways to categorise numbers as even or odd. We may memorise the rule that numbers ending in one, three, five, seven, or nine ...

Delhi’s 25 million residents woke up in the new year on Friday crunching numbers as the Capital embarked on a radical experiment for the next two weeks when residents will be allowed to drive their ...