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The following line graph gives the percent profit earned by two Companies X and Y during the period 1996 - 2001.
 
Percentage profit earned by Two Companies X and Y over the Given Years
Q.
If the incomes of two Companies were equal in 1999, then what was the ratio of expenditure of Company X to that of Company Y in 1999 ?
  • a)
    6:5         
  • b)
    5:6       
  • c)
    11:6     
  • d)
    16:15
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
The following line graph gives the percent profit earned by two Compan...
The correct answer is D 
In 1999 , profit % of X = 50
profit% of Y = 60
Also , let their income in 1999 be i each and expenditure of X be x and that of Y be y.
For X ,
50 = (i - x)*100/x
1/2 = (i - x)/x
x/2 = i - x
i = 3x/2 (eq1)
For Y ,
60 = (i - y)*100/y
3/5 = (i - y)/y
3y/5 = i - y
i = 8y/5(eq 2)
Equating eq 1and 2 , we get
3x/2 = 8y/5
x/y = 16/15
x : y = 16:15
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Most Upvoted Answer
The following line graph gives the percent profit earned by two Compan...
In 1999 , profit % of X = 50
profit% of Y = 60
Also , let their income in 1999 be i each and expenditure of X be x and that of Y be y.

For X ,
50 = (i - x)*100/x
1/2 = (i - x)/x
x/2 = i - x
i = 3x/2 (eq1)

For Y ,
60 = (i - y)*100/y
3/5 = (i - y)/y
3y/5 = i - y
i = 8y/5(eq 2)

Equating eq 1and 2 , we get
3x/2 = 8y/5
x/y = 16/15
x : y = 16:15
Free Test
Community Answer
The following line graph gives the percent profit earned by two Compan...
The correct answer is D 
In 1999 , profit % of X = 50
profit% of Y = 60
Also , let their income in 1999 be i each and expenditure of X be x and that of Y be y.
For X ,
50 = (i - x)*100/x
1/2 = (i - x)/x
x/2 = i - x
i = 3x/2 (eq1)
For Y ,
60 = (i - y)*100/y
3/5 = (i - y)/y
3y/5 = i - y
i = 8y/5(eq 2)
Equating eq 1and 2 , we get
3x/2 = 8y/5
x/y = 16/15
x : y = 16:15
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The following line graph gives the percent profit earned by two Companies X and Y during the period 1996 - 2001.Percentage profit earned by Two Companies X and Y over the Given YearsQ.If the incomes of two Companies were equal in 1999, then what was the ratio of expenditure of Company X to that of Company Y in 1999 ?a)6:5b)5:6c)11:6d)16:15Correct answer is option 'D'. Can you explain this answer?
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