If the amount invested by the two companies in 2005 was equal, what was the ratio of total income in 2005 of the companies A to that of B respectively?

31:33

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33:31

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34:31

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14:11

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None of these

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Solution

The correct option is C 34:31
If each company invests Rs I and the profits earned by A and Rs x and Rs y respectively, then $70 = \frac{x}{1} \times 100 x$ .......(1)
and 55 I = 100 y
$∴ \frac{70 I}{100} + I : \frac{55 I}{100} + I$
$= 170 I : 155 I = 34 : 31$

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If the amount invested by the two companies in 2005 was equal, what was the ratio of total income in 2005 of the companies A to that of B respectively?

The correct option is C 34:31If each company invests Rs I and the profits earned by A and Rs x and Rs y respectively, then 70=x1×100x .......(1) and 55 I = 100 y ∴70 I100+I:55 I100+I =170 I:155 I=34:31

The correct option is C 34:31
If each company invests Rs I and the profits earned by A and Rs x and Rs y respectively, then $70 = \frac{x}{1} \times 100 x$ .......(1)
and 55 I = 100 y
$∴ \frac{70 I}{100} + I : \frac{55 I}{100} + I$
$= 170 I : 155 I = 34 : 31$