Nine persons went to a hotel for taking their meals 8 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?
Options:
A . Rs.116
B . Rs.117
C . Rs.118
D . Rs.119
Answer: Option B
Let the average expenditure of all nine be Rs.x Then 12*8+(x+8)=9x or 8x=104 or x=13. Total money spent = 9x=Rs.(9*13)=Rs.117
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