In a hostel there were 100 students. To accommodate 40 more students the average is decreased by rupees 10. But total expenditure decreased by Rs.400. Find the total expenditure of the hostel now?
Choose the correct answer.
A) 1400
B) 2500
C) 3000
D) 1500
E) 2100
100x - 400 = 140(x – 10)   x = 25   100 * 25 - 400= 
<gadget id="calculator">100 * 25 - 400</gadget>
<output>2_100</output>
2100   Answer:2100
<result>E</result>
In a hostel there were 100 students. To accommodate 40 more students the average is decreased by rupees 10. But total expenditure decreased by Rs.400. Find the total expenditure of the hostel now?