there were 45 students in a hostel, if the numbers of students increased by 7,

Question

there were 45 students in a hostel, if the numbers of students increased by 7, the expenses of the mess were increased by rs. 39 per day while the average expenditure per head diminished by re.1. what

Options:

A . Rs. 555

B . Rs. 585

C . Rs. 685

D . Rs. 655

Answer: Option B
Explanation :

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