Question
Sunset Publications sold a testbook for Rs. 230 and made
a profit of 15% on CP and sold a Encyclopedia for Rs. 805 and made a profit of 20% on its CP. If the publication sold the testbook for Rs. 360, then find at what price should the Encyclopedia be sold to make a profit of 17% on both the books?Solution
CP of Textbook = 230/115 × 100 = Rs. 200 CP of Encyclopedia = 805/115 × 100 = Rs. 700 For 20% profit on both, = (200 + 700) × 120/100 = Rs 1080 Encyclopedia should be sold, = 1080 – 360 = Rs. 720
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