Profit and loss

Quantitative Aptitude ( CCS)

Title

45:30

8 of 24 completed

5 of 15 completed

38 of 100 completed

8 of 20 completed

Indian Economy - Understanding the basics of Indian economic system

If the profit percent got on selling an article is numerically equal to its cost price and the selling price is Rs. 39, then cost price will be

Rs 25

Rs 32

Rs 30

Rs 28

Solution:
SP = Rs. 39.
Let CP = x
Profit% = CP
[(39-x)/x]*100 = x
3900-100x = x²
x²+100x-3900 = 0
x = Rs30.