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Question Nitesh is a scrap dealer. How much would he have paid for
(а) 16 kg of old newspaper, if he paid ₹ 8 for every 1 kg of newspaper?
1 kg × 16 = 16 kg
₹ 8 × 16 = ₹ 128
Nitesh would have paid ₹ 128.
(b) 20 kg iron, if he paid ₹ 200 for every 10 kg of iron?
Solution:
10 kg × 2 = 20 kg
₹ 200 × 2 = ₹ 400
Nitesh would have paid ₹ 400.
(c) 10 kg plastic, if he paid ₹ 30 for 5 kg of plastic?
Make double number lines for answering (b) and (c).
Solution:
5 kg × 2 = 10 kg
₹ 30 × 2 = ₹ 60
Nitesh would have paid ₹ 60.
NCERT Textbook Page 113
Measuring Capacity