If the incomes of the B in 1992 and 1993 were in the ratio 3 4 Find the ratio of Expenditures of tha...........

Quantitative Aptitude ( CCS) Line Chart

If the incomes of the B in 1992 and 1993 were in the ratio 3:4, Find the ratio of Expenditures of that company in these 2 years ?

48:55

42:53

58:45

45:58

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Explanation:

Explanation :
Income => 1992:1993 = 3:4 = 30:40
45 = (30-E)*100/E
45E/100 = 30 – E
9E/20 = 30 – E
9E = 600 – 20E
29E = 600
E = 600/29……………1992
50 = (40 – E)*100 / E
50E/100 = 40 – E
E = 2(40 – E)
E = 80 – 2E
3E = 80
E = 80/3
Ratio = (600/29) / (80/3) = 600*3 / 29*80
= 1800/2320 = 180/232 = 45/58