Question

Last year oranges were available at rupees 24 per dozen but this year they are available at rupees 50 per score. Find the percentage change in price of oranges (1 score =20)

Answer 1

OLD PRICE
Rs 24 per 12
=>Rs 2 per 1

NEW PRICE
Rs 50 per 20
=> Rs 5/2 per 1
=> Rs 2.5 per 1

Change in price = 2.5 - 2
=> 0.5 Rs

Percentage increase in price = 0.5 / 2 × 100
=> 25%

ANSWER = 25%

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Answer 2

Solution :-

In last year,

Cost of 1doze = 12orange = Rs24

=> Cost of 1 orange = 12/24 =Rs2

In this year,

Cost of 1score = 20oranges = Rs50

=> Cost of 1 orange = 20/50 = Rs2.5

Hence, increase in price % = 2/2.5−2 × 100 = 25 %