These questions demand ability to comprehend and interpret the problem situation and then find an appropriate way to arrive at the answer. This will be amply evident through the examples that we ...

The number of different groups of r objects that can be formed from a total of n objects when the order of selection is irrelevant is called the number of combinations of n objects taken r at a time.

Rajeev Dhir is a writer with 10+ years of experience as a journalist with a background in broadcast, print, and digital newsrooms. Khadija Khartit is a strategy, investment, and funding expert, and an ...