There would be 10% loss if rice is sold at Rs. 5.40 per kg. At what price per kg should it be sold to earn a profit of 20%
A. Rs. 6
B. Rs. 6.48
C. Rs. 7.02
D. Rs. 7.20
Explanation:
90 : 5.40 :: 120 : x
X = (5.40 x 120)/90 = 7.20