The total expenses of a hostel were Rs. 8000 per month. Some students left the hostel due to which the new expenses come down by Rs. 1000. Find the percentage decrease in expenses of the hostel.

A hotel incurs two types of expenses, one which is fixed and others depend upon no. of guests. When there are 10 guests, total expenses of hotel are Rs. 6000. Also when there are 25 guests average expenses per guests are Rs. 360 ? What is the total expenses of hotel when there are 40 guests?

There are 60 students in a hostel. If the number of students increases by 20, then the expenses of the mess increased by Rs. 120 per day while the average expenditure per head diminishes by Re. 1. Find the original expenditure of the mess.

A person on tour has Rs. 10800 for his expencses. If he extends his tour by 4 days, he has to cut down his daily expenses by Rs. 90. Find the original duration of the tour.

There are 320 students in a hostel. If the number of students decreases by 10, then the expenses of the mess decreased by Rs. 58 per day while the average expenditure per head increases by 20 paise. Find the original expenditure of the mess.

There are 42 students in a hostel. If the number of students increases by 7, then the expenses of the mess increased by Rs. 32.5 per day while the average expenditure per head diminishes by Rs. 1.5. Find the original expenditure of the mess.

There are 35 students in a hostel. If the number of students increases by 7, then the expenses of the mess increased by Rs. 42 per day while the average expenditure per head diminishes by Re. 1. Find the original expenditure of the mess.

There were 35 students in a hostel.If the number of the students is increased by 7, then the expenses of the mess increase by Rs 42 per day,while the average expenditure per head diminishes by Rs 1.The original expenditure of the mess per day was (a) Rs 400 (b) Rs 420 (c) Rs 432 (d) Rs 442