There were 40 students in a hostel with a weekly expenditure of Rs 1200. In the next week, some more  students joined the hostel & per day budget of the student reduced by Rs 6. Find how many students joined the hostel? 

MONEY PAID BY 1 STUDENT IN A DAY=Rs.(1200/40)
                                                                        =Rs.30
NEW BUDGET PER DAY=Rs.(30-6)
                                            =Rs.24
NO. OF STUDENTS=1200/24=50
NO. OF STUDENTS JOINED THE COLLEGE=50-40=10 STUDENTS.

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