Multiple choice

A person sold a bucket for Rs. 144 and got a profit percentage which was numerically equal to the cost price. What is the cost price (in Rs.) of the bucket?

  1. 50

  2. 70

  3. 60

  4. 80

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

माना क्रय मूल्य = C रुपये। लाभ प्रतिशत = C% (संख्यात्मक रूप से क्रय मूल्य के बराबर)। लाभ = C × C/100 = C²/100। विक्रय मूल्य = क्रय मूल्य + लाभ = C + C²/100 = 144। C = 80 रखने पर: 80 + 6400/100 = 80 + 64 = 144।