A history exam features 5 questions. 3 of the questions are multiple-choice with four options each. The other two questions are true or false. If Caroline selects one answer for every question, how many different ways can she answer the exam?
mathematics never dies because it always stays in the minds and souls of people who love mathematics.
Those people will not let maths die instead they will die.................
D . kalyan kumar
The whole world is mathematics and mathematics is the whole world.