Question
The cost of 7 tables and 12 chairs is Rs. 48,250. What
is the cost of 21 tables and 36 chairs?Solution
ATQ,
We are given: Cost of 7 tables + 12 chairs = Rs. 48,250 We are asked: What is the cost of 21 tables + 36 chairs? On Observing the ratio we notice that
21 tables = 3 × 7 tables 36 chairs = 3 × 12 chairs So, the second quantity is 3 times the first. Therefore, Multiply the total cost by 3
Required cost = 3 × 48,250 = Rs.1,44,750
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