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
%Profit = ((Income - Expenditure) / Expenditure) x 100
Rs. 465 crores
Rs. 385 crores
Rs. 335 crores
Rs. 295 crores
Correct answer is A
Let the income of Company X in 1998 be Rs. x crores.
Then, 55 = (x - 200)/200 x 100 => x = 310
Therefore Expenditure of Company X in 2001 = Income of Company X in 1998
= Rs. 310 crores.
Let the income of Company X in 2001 be Rs. z crores.
Then, 50 = (z - 310)/310 x 100 => z = 465
Therefore Income of Company X in 2001 = Rs. 465 crores.
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
%Profit = ((Income - Expenditure) / Expenditure) x 100
Rs. 240 crores
Rs. 171 crores
Rs. 120 crores
Rs. 102 crores
Correct answer is D
Let the expenditures of each companies X and Y in 1996 be Rs. x crores.
And let the income of Company X in 1996 be Rs. z crores.
So that the income of Company Y in 1996 = Rs. (342 - z) crores.
Then, for Company X we have:
40 = (z - x)/x x 100 => 40/100 = z/x - 1 => x = 100z/140 .... (i)
Also, for Company Y we have: 45 = ((342 - z)/x) x 100 => 45/100 = ((342 - z)/x) - 1 => x = ((342 - z) x 100)/145 .... (ii)
From (i) and (ii), we get:
100z/140 = ((342 - z) x 100)/145 => z = 168
Substituting z = 168 in (i), we get : x = 120.
Therefore Total expenditure of Companies X and Y in 1996 = 2x = Rs. 240 crores.
Total income of Companies X and Y in 1996 = Rs. 342 crores.
Therefore Total profit = Rs. (342 - 240) crores = Rs. 102 crores.
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
%Profit = ((Income - Expenditure) / Expenditure) x 100
If the expenditure of Company Y in 1997 was Rs. 220 crores, what was its income in 1997 ?
Rs. 312 crores
Rs. 297 crores
Rs. 283 crores
Rs. 275 crores
Correct answer is B
Profit percent of Company Y in 1997 = 35.
Let the income of Company Y in 1997 be Rs. x crores.
Then, 35 = (x - 220)/220 x 100 => x = 297
Therefore Income of Company Y in 1997 = Rs. 297 crores.
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
%Profit = ((Income - Expenditure) / Expenditure) x 100
7:22
14:19
15:22
27:35
Correct answer is C
Let the incomes in 2000 of Companies X and Y be 3x and 4x respectively.
And let the expenditures in 2000 of Companies X and Y be E1 and E2 respectively.
Then, for Company X we have:
65 = (3x - E1)/E1 x 100 => 65/100 = 3x/E1 - 1 => E1 = 3x x ( 100/165 ) .... (i)
For Company Y we have:
50 = (4x - E2)/E2 x 100 => 50/100 = 4x/E2 - 1 => E2 = 4x x ( 100/150 ) .... (ii)
From (i) and (ii), we get:
E1/E2 = (3x x ( 100/165 ))/(4x x ( 100/150 )) = (3 x 150)/(4 x 165) = 15/22 (Required ratio)
Study the following line graph and answer the questions based on it.
Number of Vehicles Manufactured by Two companies over the Years (Number in Thousands)
173%
164%
132%
97%
Correct answer is B
Required percentage = ( 128000/78000 x 100 ) %
≈ 164%
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