Out of 9 persons, 8 persons spent Rs 30 each for their meals. The ninth one spent Rs 20 more than the average expenditure of all the nine. The total money spent by all of them was (a) Rs 260    (b) Rs 290    (c) Rs 292.50    (d) Rs 400.50

Six persons went to a hotel for taking their meals.Five of them spent Rs 32 each on their meals while the sixth person spent Rs 80 more than the average expenditure of all the six. What was the total money spent by all the persons?

19 persons went to a hotel for a combined dinner party. 13 of them spent Rs. 79 each on their dinner and the rest spent Rs. 4 more than the average expenditure of all the 19. What was the total money spent by them?

Out of 12 persons, 11 spend Rs.2000 monthly each. The twelfth person spends Rs.110 more than the average spending of the 12 people. How much money does the twelfth person spend?

19 people went to a hotel for a combined dinner party. 14 of them spent Rs. 79 each on their dinner and the rest spent Rs. 7 more than the average expenditure of all the 19. What was the average money spent by each person?

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