How many kilogrammes of Rs. 9 per kg sugar must be combined with 27 kilogrammes of Rs. 7 per kg sugar in order to make a 10% profit by selling the combination at Rs. 9.24 per kg?
A. 36 kg
B. 42 kg
C. 54 kg
D. 63 kg
Answer:D
How many kilogrammes of Rs. 9 per kg sugar must be combined with 27 kilogrammes of Rs. 7 per kg sugar in order to make a 10% profit by selling the combination at Rs. 9.24 per kg?
A. 36 kg B. 42 kg C. 54 kg D. 63 kg
Explanation: S.P. for 1 kilogramme of mixture = Rs. 9.24, with a 10% gain.1 kilogramme of mixture C.P. = Rs. 100 x 9.24 = Rs. 8.40 110,As a result of the allilation rule, we have:The ratio of first- and second-kind quantities is 14:6 = 7:3.Allow x kg of first-class sugar to be combined with 27 kg of second-class sugar.7 : 3 = x : 27 is the result.63 kg = x = 7 x 27/3