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Manish

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· 1 Months ago

Correct your answer (Question: 274657.0 )

42*15.07 = 632.94

Question:

There were 42 students in a hostel. Due to admission of 13 new students, the expenses of the mess increase by Rs. 31 per day while the average expenditure per head diminished by Rs. 3. What was the original expenditure of the mess?

Options:
A)

Rs. 633.23

B)

Rs. 583.3

C)

Rs. 623.3

D)

Rs. 632

Solution:

Ans: (a)

Let the average expenditure = x

42x + 31 = 55(x – 3)

13x = 196

x = 15.07

Total expenditure = 42x = 15.07 × 15 = 633.23

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