A man sold 18 cots for Rs. 16800, gaining there by the cost price of 3 cots. The cost price of a cot is.
A. Rs. 600
B. Rs. 800
C. Rs. 900
D. Rs. 1000
Solution(By Examveda Team)
No of cots = 18Gain = 3 cots.
% percentage gain = (3 *100)/18 = 16.66%.
Let X would be the CP of 18 cots.
So,
SP = X + 16.66% of X
1.166X = 16800
X = 14400. (Approx.)
CP per cot = 144000/18 = Rs. 800.
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Nice question
Answer = B
(S.P. of 18 cots) - (C.P. of 18 cots) = (C.P. of 3 cots)
=> C.P. of 21 cots = S.P. of 18 cots = Rs. 16800
=> C.P. of 1 cot = Rs. (16800/21)
Rs. 800