Multiple choice

The difference between the selling prices of an article at a profit of 15% and at a profit of 10% is Rs.10. The cost price of the article is -

  1. Rs.100

  2. Rs. 120

  3. Rs.150

  4. Rs.200
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Let CP = x. SP at 15% profit = 1.15x. SP at 10% profit = 1.10x. Difference = 1.15x - 1.10x = 0.05x = 10. Therefore x = 10/0.05 = 200. The cost price is Rs. 200.

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