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Nine persons went to a hotel for taking their meals. Eight of them spent Rs. 12 each on their meals and the ninth spent Rs. 8 more than the average expenditure of all the nine. What was the total money spent by them.

Nine persons went to a hotel for taking their meals. Eight of them spent Rs. 12 each on their meals and the ninth spent Rs. 8 more than the average expenditure of all the nine. What was the total money spent by them. Correct Answer Rs. 117

Let the average expenditure of all the nine be xThen, 12 × 8 + (x + 8) = 9xTherefore, x = 13Total money spent,= 9x
= Rs. (9 × 13)
= Rs. 117

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