Cost of 5 kg of wheat is ₹30.50. What will be the cost of 8kg of wheat?

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Solution

Cost of 5 kg of wheat = ₹30.50

Applying unitary method,

Cost of 1 kg of wheat = $\frac{30.50}{5}$ = $\frac{3050}{500}$ = ₹6.10

Cost of 8 kg of wheat = ₹6.10 $\times$ 8 = ₹48.80

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