In a hostel there were 100 students. To accommodate 15 more students the average is decreased by rupees 5. But total expenditure increased by Rs.400. Find the total expenditure of the hostel now? Choose the correct choice from the following choices
A) A)Rs.6900
B) B)Rs.5480
C) C)Rs.5400
D) D)Rs.5900
E) E)Rs.5430
100x + 400   = 115(x – 5)   x = 65   100 * 65 + 400= 
<gadget id="calculator">100 * 65 + 400</gadget>
<output>6_900</output>
6900   Rs.6900nswer:Rs.6900
<result>A</result>
In a hostel there were 100 students. To accommodate 15 more students the average is decreased by rupees 5. But total expenditure increased by Rs.400. Find the total expenditure of the hostel now?