There were 35 students in a hostel. I...

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

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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 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 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.

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 were 42 students in a hostel. Due to the admission of 13 new students, the expenses of mess increase by Rs 31 per day while the average expenditure per head diminished by Rs 3. What was the original expenditure of the mess ?

There were 42 students in a hostel. Due to the admission of 13 new studenets, the expenses of the mess increase by 31 per day while the average expenditure per head diminished by 3. What was the original expenditure of the mass?

There are 30 workers in a factory. If the number of workers increases by 10, then the total wages increased by Rs. 9000 per day while the average wages per worker decreases by Rs. 75. Find the original total wages of factory.

The simple interest for Rs 1500 at 8% per annum for 3 years is (a) Rs 400 (b) Rs 360 (c) Rs 450 (d) Rs 500

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