There were 43 students in a college hostel. If the number of students increases by 7, the expense of the mess increases by Rs.47 per day while the average expenditure per head diminishes by Rs.2. The original expenditure of the mess is:

945

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923

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950

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903

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Solution

The correct option is D
903

$\frac{43 x + 47}{43 + 7} = x - 2 \Rightarrow x = 21$

Therefore, original expenditure = 43 x 21 = Rs.903

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There were 43 students in a college hostel. If the number of students increases by 7, the expense of the mess increases by Rs.47 per day while the average expenditure per head diminishes by Rs.2. The original expenditure of the mess is:

The correct option is D 903 43x+4743+7 = x−2⇒ x = 21 Therefore, original expenditure = 43 x 21 = Rs.903

The correct option is D
903

$\frac{43 x + 47}{43 + 7} = x - 2 \Rightarrow x = 21$

Therefore, original expenditure = 43 x 21 = Rs.903