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15 Jul 2019, 04:12
Kudos
Bookmarks
E
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
45%
(medium)
Question Stats:
67% (01:09) correct
33%
(02:52)
wrong
based on 21
sessions
History
Date
Time
Result
Not Attempted Yet
A trader buys articles at the rate of 10 per rupee. He sells one-third of the lot at the rate of 12 per rupee and the rest at the rate of 9 per rupee. Find his profit percentage.
1. 10% loss
2. 20% profit
3. 10% profit
4. 6.66% profit
5. No profit no loss
1. 10% loss
2. 20% profit
3. 10% profit
4. 6.66% profit
5. No profit no loss
15 Jul 2019, 04:25
Kudos
Bookmarks
let us consider 30 items.....which costs 3rs..as he bought 10 per rupee
so 1/3 of 30 are bought at 12 per rupee.....so total cost of 10 items is 10/12
and remaining 2/3 are bought at 9 per rupee.....so total cost of 9 items is 20/9
total cost is (10/12)+(12/9)= 3.05.........with a minute deviation of 0.05( which is 1.66%)...... so we can consider option E, since none of the options are closer.
so 1/3 of 30 are bought at 12 per rupee.....so total cost of 10 items is 10/12
and remaining 2/3 are bought at 9 per rupee.....so total cost of 9 items is 20/9
total cost is (10/12)+(12/9)= 3.05.........with a minute deviation of 0.05( which is 1.66%)...... so we can consider option E, since none of the options are closer.
22 Nov 2019, 12:57
Kudos
Bookmarks
Let brought X items. Costs 10x . Selling (12x X 1/3)= 4x and (9x X 2/3)= 6x , total 10x , so no profit no loss.
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