Multiple choice

A shopkeeper purchased 80 kg of wheat at the rate of Rs. 6.75 per kg and mixed it with 120 kg of wheat, purchased at Rs. 8 per kg. At what rate per kg he must sell the mixture to have a gain of 20%?

  1. Rs. 7

  2. Rs. 11

  3. Rs. 9

  4. Rs. 10

  5. Rs. 12
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

C.P. of 80 kg of wheat = Rs. 540. C.P. of 120 kg of wheat = Rs. 960. Since C.P. of 200 kg of mixture = Rs. 540 + 960 = Rs. 1500, C.P. of 1 kg of mixture = Rs. 7.50. Gain% = 20%. On calculating, we get S.P. = Rs. 9.

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