The cost of a book and a pen is in the ratio of 10 :1 If the difference in - Maths - HCF and LCM

Question

The cost of a book and a pen is in the ratio of 10 :1 If the
difference in the price of the book and the pen is Rs 180,find the
cost of the book and the pen

Gursheen Kaur · Accepted Answer

Dear Student,Solution) Given cost of bookcost of pen =101⇒cost of book=10(cost of pen)
(i)and      cost of book-cost of pen=180⇒10(cost of pen)-cost of pen=180   {Using (i)}⇒9(cost of pen)=180⇒cost of pen=1809=20Now, From (i), we get,cost of book=10×20=200Therefore, cost of book = Rs
200 and cost of pen = Rs 20Regards!

The cost of a book and a pen is in the ratio of 10 :1. If the difference in the price of the book and the pen is Rs 180,find the cost of the book and the pen