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:_________?MATH / By admin / May 27, 2022 May 27, 2022 A Rs.50 B Rs.60 C Rs.80 D Rs.90 Answer Detail No Details