Last year the cost of oranges was ₹ 48 per dozen. This year the price is ₹ 20 per Score. Find the percentage change in the price of oranges. (1 score = 20 units)

50%

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75 %

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25 %

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45%

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Solution

The correct option is B
75 %

The cost of 12 oranges last year = ₹ 48

The cost of 1 orange last year = $\frac{48}{12}$ = ₹ 4

The cost of 20 oranges this year = ₹ 20

The cost of 1 orange this year = $\frac{20}{20}$ = ₹ 1

Difference in price per orange = ₹ 4- ₹ 1 = ₹ 3

$∴$ Percentage change = $\frac{3}{4} \times$ 100 = 75 %

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Last year, oranges were available at Rs.24 per dozen; but this year, they are available at Rs.50 per score. Find the percentage change in the price of oranges.

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Last year the cost of oranges was ₹ 48 per dozen. This year the price is ₹ 20 per Score. Find the percentage change in the price of oranges. (1 score = 20 units)

The correct option is B 75 % The cost of 12 oranges last year = ₹ 48 The cost of 1 orange last year = 4812 = ₹ 4 The cost of 20 oranges this year = ₹ 20 The cost of 1 orange this year = 2020 = ₹ 1 Difference in price per orange = ₹ 4- ₹ 1 = ₹ 3 ∴ Percentage change = 34×100 = 75 %