A magazine seller has 500 subscribers and collects annual subscription charges of Rs.300 per su...
689 views · Published 12 October 2018 · 3:41 · Indexed 20 September 2026
Channel: Doubtnut · 2018 · Education
To ask Unlimited Maths doubts download Doubtnut from - https://goo.gl/9WZjCW A magazine seller has 500 subscribers and collects annual subscription charges of Rs.300 per subscriber. Sh e proposes to increase the annual subscription charges and it is believed that for every increase of Re 1, one subscriber will discontinue. What increase will bring maximum income to her? M solution. Write one important role of magazines in our lives. ake appropriate assumptions in order to apply derivatives to reach the
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