Question

A person purchases 90 clocks and sells 40 clocks at a gain of 10% and 50 clocks at a gain of 20%. If he sold all of them at a uniform profit of 15%, then he would have got Rs. 40 less. The cost price of each clock is

  • Rs.50
  • Rs.60
  • Rs.80 (Correct Answer)
  • Rs.90

Answer is "Rs.80"

2 Answer and explanations

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194
Li

need help, explain answer

205
Lavish

please post an explanation

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