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A trader buys articles at the rate of 10 per rupee. He sells one thir

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Senior Manager
Senior Manager
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D
Joined: 29 Nov 2018
Posts: 282
Concentration: Marketing, Strategy
A trader buys articles at the rate of 10 per rupee. He sells one thir  [#permalink]

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New post 15 Jul 2019, 04:12
2
00:00
A
B
C
D
E

Difficulty:

  35% (medium)

Question Stats:

67% (01:02) correct 33% (01:46) wrong based on 6 sessions

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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
Senior Manager
Senior Manager
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Joined: 01 Mar 2019
Posts: 338
Location: India
Concentration: Strategy, Social Entrepreneurship
Schools: Ross '22, ISB '20, NUS '20
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A trader buys articles at the rate of 10 per rupee. He sells one thir  [#permalink]

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New post 15 Jul 2019, 04:25
2
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.
Intern
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Joined: 11 Sep 2018
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Re: A trader buys articles at the rate of 10 per rupee. He sells one thir  [#permalink]

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New post 22 Nov 2019, 12:57
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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Intern
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Joined: 11 Sep 2018
Posts: 5
Re: A trader buys articles at the rate of 10 per rupee. He sells one thir  [#permalink]

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New post 22 Nov 2019, 12:58
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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Re: A trader buys articles at the rate of 10 per rupee. He sells one thir   [#permalink] 22 Nov 2019, 12:58
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A trader buys articles at the rate of 10 per rupee. He sells one thir

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