Averages

Solve the question of and select the option from the choices A through D/E. Check your Answer and view the explanation.

Question: 8

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.

Rs. 115
Rs. 116
Rs. 117
Rs. 118

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Correct Answer: C

Let the average expenditure of all the nine be Rs. x

Then, 12×8+(x+8)=9x

Therefore x=13

Total money spent = 9x=RS.(9×13) = Rs.117

Averages

Question: 8

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Correct Answer: C

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