If the ratio of the cost price and selling price of an article is 5:6

If the ratio of the cost price and selling price of an article is 5:6, the gain percent is
(a) 25%
(b) 30%
(c) 20%
(d) 33%

Anurag Mishra Professor Asked on 29th February 2016 in Maths.
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1 Answer(s)

Answer: (c) 20% 

Solution:-
If the ratio of the cost price and selling price of an article = 5: 6
Let the cost price & selling price of an article be = 5 X & 6 X

Then, Gain = 6 X – 5 X
= X

Percentage of gain = X x 100/5 X
= 100/5
= 20 %

Hence, the correct answer is option (c) 20%.

Anurag Mishra Professor Answered on 5th March 2016.
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