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Question

The price of Darjeeling tea (in rupees per kilogram) is 100+0.1n, on the nth day of 2007 (n=1,2…100), and then remains constant. On the other hand, the price of Ooty tea (in rupees/kilogram) is 89+0.15n, on the nth day of 2007 (n=1,2…365). On which date in 2007 will the prices of these two varieties of tea be equal?
  1. May 20
  2. April 10
  3. June 30
  4. May 21
  5. April 11


Solution

The correct option is A May 20
Option (B) is the correct answer. Check the video for the approach.

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