Question

The notebook costs thirty rupees. How many ten rupees notes will be required to pay the whole amount?

(a) 3 notes

(b) 4 notes

(c) 5 notes

(d) 6 notes

I have been asked this question in an interview.

This is a very interesting question from Age/Money/Denomination of Currency Word Problems in division Linear Equations in One Variable of Mathematics – Class 8

Answer 1

Correct answer is (a) 3 notes

Explanation: If a notebook costs thirty rupees and one has ten rupees notes. Let the number of ten rupees note required be x.

∴ 10x=30

∴ x=\(\frac{30}{10}\)

∴ x=3.