Question

Rohit buys 10 pens for ₹ 150 and Manoj buys 14 pens for ₹ 168.who bought the pens cheaper?

Answer 1

cost of 1 pen of Rohit

150/10 = Rs 15

Cost of 1 pen of Manoj

= 168/14 =Rs 12

So Manoj bought the pen in cheaper price

Answer 2

Rohit Buys 10 pens for=₹150
Manoj Buys 14 pens for=₹168

Rohit,
10 pens=₹150
1 pen=150/10
1=₹15

Manoj
14 pens=₹168
1 pen=168/14
1pen=₹12

So Manoj Buys Pens Cheaper=₹12