Subject
Quantitative Aptitude
Topic
Average
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 ?
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 ?
ক)
Rs. 4960খ)
Rs. 5480গ)
Rs. 4680ঘ)
Rs. 4420Explanation
Let the expenditure on the 95 students be 'x' Then, 95x + 500 = 120(x – 5) 95x + 500 = 120x - 600 120x - 95x = 1100 25x = 1100 => x = 44 Therefore, total expenditure of the hostel becomes 95 x 44 + 500 = 4680.Related questions
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