Multiple choice

Aman sells a commodity at 10% profit. If he had bought it at 10% less and sold it for Rs 5 less, then he would have gained 16.67%. The cost price of the commodity is

  1. 132

  2. 136

  3. 100

  4. 98

  5. None of these
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Let CP = x. Original SP = 1.1x (10% profit). New CP = 0.9x (10% less). New SP = 1.1x - 5. New profit% = 16.67% = 1/6. So (1.1x - 5) / 0.9x = 7/6. Solving: 1.1x - 5 = 1.05x. Therefore x = 100. Option C is correct.

Keep practicing — related questions