Question

Govind has enough money to buy 16 pens at the rate of Rs 15 per pen. If the cost of a pen is increased by Rs 9, how many pens can Govind buy?

Thx :)

Answer 1

cost of one pen = ₹15
no. of pens :₹16
total money with govind : 16×15
₹240
cost increased :₹9
new cost of each pen : 15+9 =₹24
no. of pen : (total money divided by cost of one pen)
= ₹240 by 24
= 10




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Answer 2

No of pen he can buy=16
cost of each pen=Rs15
total money he have=16*15
new price of pen=Rs(15+9)=Rs24
let he can buy x pens.then,
total money he have=24*x
now,
16*15=24*x
x=16*15/24
x=10
Hence,he can buy 10 pens if price of each pen increased by Rs9.