Multiple choice

A machine is sold at a profit of 10%. Had it been sold for Rs. 80 less, there would have been a loss of 10%. The cost price of the machine is एक मशीन को 10% लाभ पर बेचा गया जब उसको 80 रू. कम पर बेचा गया तो 10% की हानि हुई तो मशीन की कीमत कितनी है ?

  1. Rs./रू. 350

  2. Rs./रू. 400

  3. Rs. /रू.450

  4. Rs. /रू.520
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Let CP = x. SP with 10% profit = 1.1x. SP with 10% loss = 0.9x. Difference = 1.1x - 0.9x = 0.2x = 80. So x = 80/0.2 = 400. The cost price is Rs. 400.

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