Que. 5
There are 50 students in a hostel. If 20 new students joined, the total expenditure increased by Rs.
1100 while the average expenditure increased by Rs. 10. What was the initial average expenditure?
1. Rs 25
2. Rs 30
3. RS 27.5
4. RS 20
5. Rs 15
Solution
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Answers
Answered by
1
Answer:
50+20=70
1100÷10=110
Ans = 110 -70=30
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