Multiple choice

The percetage of loss when an article is sold at Rs.50 is the same as that of the profit when it is sold at Rs.70. The above - mentioned percentage of profit or loss on the article is जब एक वस्तु को रु.50 में बेचा जाता है तो प्राप्त हानि प्रतिशत प्राप्त लाभ के बराबर है जब इस वस्तु को रु.70 में बेचा जाता है | ऊपर दिया गया वस्तु का लाभ या हानि प्रतिशत ज्ञात कीजिये |

  1. 10%

  2. 16(2/3)%

  3. 20%

  4. 22(2/3)

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Let CP = x. Loss% at Rs.50 = (x - 50)/x × 100. Profit% at Rs.70 = (70 - x)/x × 100. Given they are equal: (x - 50)/x = (70 - x)/x. Solving: x - 50 = 70 - x, 2x = 120, x = 60. Profit or loss % = (70 - 60)/60 × 100 = 1000/60 = 16(2/3)%.