Question

Harsha's junk shop's rate list is given below:
$\begin{array}{cc}\text{Item}& \text{Price per kg}\\ \text{Newspaper}& \text{₹6}\\ \text{Waste paper}& \text{₹4}\\ \text{Plastic}& \text{₹20}\end{array}$

Ram has 7 kg of waste paper and 9 kg of newspaper in his house. How much will he get, if he sells both in Harsha's junk shop?

• A. ₹54
• B. ₹28
• C. ₹82
• D. ₹45

Answer 1

The correct option is C ₹82

Price of 1 kg of newspaper $=₹6$
Price of 9 kg of newspaper $=9\times$ Price of 1 kg of copper
$=9\times 6=₹54$

Price of 1 kg of waste paper $=₹4$
Price of 7 kg of waste paper $=7\times$ Price of 1 kg of copper
$=7\times 4=₹28$

$\therefore$ Ram will get $54+28=₹82.$