A man's wages were decreased by 50%. The reduced wages were increased by 50%. He had a loss of

35%

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25%

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20%

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None of these

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Solution

The correct option is B 25%
Here, x = -50 and y = 50.
$∴$ The net % change in wages

$= (x + y + \frac{x y}{100}) %$

$= (- 50 + 50 - \frac{50 \times 50}{100}) % o r - 25 % .$
Since the sign is -ve, he has a loss of 25%.

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A man's wages were decreased by 50%. The reduced wages were increased by 50%. He had a loss of

The correct option is B 25%Here, x = -50 and y = 50. ∴ The net % change in wages =(x+y+xy100)% =(−50+50−50×50100)% or−25%. Since the sign is -ve, he has a loss of 25%.

The correct option is B 25%
Here, x = -50 and y = 50.
$∴$ The net % change in wages

$= (x + y + \frac{x y}{100}) %$

$= (- 50 + 50 - \frac{50 \times 50}{100}) % o r - 25 % .$
Since the sign is -ve, he has a loss of 25%.