Question

the cost of 5 pens is rupees 15 what is the cost of 15 such pens​

Answer 1

Answer:

cost of 5 pens is ₹15

cost of one pen is 15/5

cost of 15 pens is 15/5*15=45.

45 is the correct answer.

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Answer 2

the cost or 5 pens = ₹15

the cost of 1 pen = 15/ 5

= ₹3

so, the cost of 15 pen = ₹15 x 3

= ₹45

Hence the cost of 15 such pen is ₹ 45