Question

answer the question of 7​

Answer 1

Answer:

3.1:0.9

Step-by-step explanation:

cost of balls, a dozen = ₹186

Cost per ball = 186/12 = ₹31/2

Cost of a shuttle, a score = ₹90

Cost per shuttle = 90/20 = ₹9/2

Ratio = (31/2):(9/2)

= 15.5:4.5

= 3.1:0.9

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