New Enroll in RBI Grade B New Batch - Starts on May 21

    Question

    There are 75 students in the hostel. Due to new

    admissions, 15 new students join the mess, and the daily expenses of the mess increased by ₹240, while the average expenditure per head diminished by ₹5. What was the original expenditure (in ₹) of the mess?
    A 3,450 Correct Answer Incorrect Answer
    B 4,530 Correct Answer Incorrect Answer
    C 3,540 Correct Answer Incorrect Answer
    D 4,350 Correct Answer Incorrect Answer

    Solution

    Let the average expense per day be x. Total expense = 75x After the admission of 15 more students, Total Expense = 75x + 240 Average Expense = x - 5 According to the question, 90(x -5) = 75x + 240 90x-450=75x+240 15x = 690 75x = 3450 Original Expenditure = Rs. 3450   Required answer is Rs. 3450

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