QA – Placement Quizzes | Percentages | Question 3

The price of sugar is decreased by 10%. As a consequence, monthly sales is increased by 30%. Find out the percentage increase in monthly revenue.
(A) 17 %
(B) 19 %
(C) 18 %
(D) None of these

Answer: (A)
Explanation: Let the price of sugar be Rs 100 and monthly sales be 100 units. Then,
total revenue = 100 × 100 = Rs 10000.
And, new revenue = 90 × 130 = Rs 11700.
Increase in revenue = 11700 – 10000 = Rs 1700.
Hence, percentage increase in revenue = (1700/10000) × 100% = 17%.
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