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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