In a mens hostel, there were 95 students. To accommodate 30 more students the average is decreased by rupees 5. But total expenditure increased by Rs.500. Find the total expenditure of the hostel now ?
Choose the correct choice from the following.
A) Rs.4680  B) Rs.4287  C) Rs.4129  D) Rs.4112  E) Rs.4101
Explanation:   Let the expenditure on the 95 students be 'x'   Then,   95x + 500 = 120(x â€“ 5)   95x + 500 = 120x - 600   120x - 95x = 1100   25x = 1100   =&gt; x = 44   Therefore, total expenditure of the hostel becomes   95 x 44 + 500 = 4680.   Rs.4680nswer: Rs.4680
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In a mens hostel, there were 95 students. To accommodate 30 more students the average is decreased by rupees 5. But total expenditure increased by Rs.500. Find the total expenditure of the hostel now ?