Question

A man sold 18 cots for Rs. 16800, gaining thereby the cost price of 3 cots. The cost price of a cot is
(1) Rs. 650
(2) Rs. 700
(3) Rs. 750
(4) Rs. 800
answer with explanation and
step by step method​

Answer 1

Answer:

Gain = 3 cots. % percentage gain = (3 *100)/18 = 16.66%

Answer 2

Answer:

Rs. 800

Step-by-step explanation:

S.P.= CP +profit

16800=18 cp+ 3 cp

16800/21 = cp

hence cp of cot is 800

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