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13. Direct and Inverse Proportions
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Q5 of 40 Page 13

Rohit bought 12 registers for Rs 156, find the cost of 7 such registers.

Let the cost of 7 registers is Rs




On cross multiplication, we get




Therefore cost of 7 registers is Rs 91

More from this chapter

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3

If 35 men can reap a field in 8 days, in how many days can 20 men reap the same field?

4

12 men can dig a pond in 8 days. How many men can dig it in 6 days?

6

1200 men can finish a stock of food in 35 days. How many more men should join them so that the same stock may last for 25 days?

7

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Questions · 40
13. Direct and Inverse Proportions
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