| Answers & Solutions | | 1 . | Answer : Option D | Explanation : | Income of Company A in 2006 = $100\over 110$ x 37.5 crores
= 34.09 crores
Let the expenditure in 2006 be $X$ crores
20 = $34.09 - x\over x$ x 100
or, 0.2 x = 34.09 - x
or, 1.2 x = 34.09
or, x = $34.09 \over 1.2$ = Rs. 28.41 crores | | | 2 . | Answer : Option D | Explanation : | Profit/loss percentage of companies
comapny B:
$42.5 - 32.5\over 32.5$ x 100 = 30.77 % (profit)
Company C :
$35 - 45\over 45$ x 100 = 22.2 % (loss)
Company F :
$32.5 - 25\over 25$ x 100 = 30 % (profit)
Company A :
$37.5 - 27.5\over 27.5$ x 100 = 36.36 % (profit)
| | | 3 . | Answer : Option D | Explanation : | Total expenditure of Companies C and D together
= 45 + 40
= `85 crores
Total income of Companies C and D
= 35 + 50
= `85 crore
| | | 4 . | Answer : Option D | Explanation : | Expenditure of Company G in 2006
= $45 \times 100\over 120$
= $75 \over 2$
= 37.5 crores
10 = $Income - 37.5 \over 37.5$ x 100
| | | 5 . | Answer : Option C | Explanation : | Income = `41.25 crores
75. (3) Total income
=37.5 + 42.5 + 35 + 50 + 40 + 32.5 + 50
= `287.5 crores
Total expenditure
= 27.5 + 32.5 + 45 + 40 + 45 + 25 + 45
= `260 crores
Profit % = $287.5 - 260 \over 260$ x 100 = 10.57
| | | 6 . | Answer : Option D | Explanation : | Total number of employees in Company A over all the years together
= (15 + 30 + 45 + 25 + 50 + 45) × 1000
= 210000
Total number of employees in Company C in the year 2007 and 2008
= (50 + 40) × 1000 = 90000
Required % = $210000 \times 100 \over 90000$ = 233.3 % $\cong$ 233% | | | 7 . | Answer : Option C | Explanation : | Number of employees in Company B in the year 2008= 35000
Number of employees in Company B in the year 2007 = 40000
% decrease = $40 - 35 \over 40$ x $1000 \over 1000$ = 12.5 % | | | 8 . | Answer : Option B | Explanation : | Number of employees in Company B in the year 2005 = 20000
Number of employees in Company C in the year 2007 = 50000
Reqd ratio
= 20000 : 50000 = 2 : 5
| | | 9 . | Answer : Option D | Explanation : | Total number of employees in 2006 in all the companies together
= (30 + 15 + 25) × 1000
= 70000
Number of female employees
= 70000 x $30 \over 100$ = 21000 Number of male employees
= (70000 - 21000) = 49000 | | | 10 . | Answer : Option A | Explanation : | Total number of employees in Company A, B and C in 2007
= (45 + 40 + 50) × 1000
= 135000
Total number of employees in Company A, B and C in 2009
= (50 + 40 + 30) × 1000
= 120000
Reqd ratio = 135000 : 120000
= 9 : 8 | | | | |
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