| Year → Company ↓ | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 |
|---|---|---|---|---|---|---|
| A | 35 | 45 | 35 | 50 | 30 | 40 |
| B | 40 | 35 | 50 | 45 | 40 | 45 |
FORMULA : INCOME = (100+PERCENTAGE PROFIT/100) * EXPENDITURE
Q 1) Expenditure of company B in 2009 and 2010 are 12 lakh and 14.5 lakh respectively.what was the total income of company B in 2009 and 2010 together (in laksh) ?
solution : Income of company B 2009 = 135 % of 12 = (100 %+ 30% + 5 % ) of 12 =(12+3.6+0.6)=16.2 Income of company B 2010 = 150 % of 14.5 = (100 %+ 50% ) of 14.5 =(14.5+7.25)=21.75 company B income income in 2009 and 2010 together = 16.2 +21.75 =37.95 lakhs
Q 2) Ratio of expenditure of company A and B in 2012 was 3:4 respectively.what was its respective ratio of their income in 2012 ?
solution : income of company A in 2012/income of company B in 2012 = 130 % of 3/ 140 % 4 =39/56 i.e 39:56
Q 3) Total expenditure of company A in all years together was 82.5 what was the total income of company A in all years together ?
solution : Here we have to caluclate income on individual years like 2008 ,2009 and so on...then we must have individual expenditures of each year,which was not given so we can't determine the income of all years
Q 4) If the expenditure of Company A and B in 2013 were equal and total incmes of the two companies was 5.7 lakshs,what was the total expenditure of the two companies in 2013?
solution : Income of A and B comanies in 2013 = 140% A + 145 % B given expenditure of company A and B are equal(say X) then income of two companies = 285 % X Given 285 % X = 5.7 laksh => X = 2 ; expenditure of two companies = 4 lakh
Q 5) If the income of company B in 2010 and 2011 were in ther ration of 3:2 respectively What was the respective ration of expenditure of that company in these two years ?
solution : Income of comany B in 2010 / income of company B in 2011 = 150 % A / 145 % B = 3/2 150 * A / 145 * B = 3/2 ==> A / B = 29 : 20
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