10 person went to a hotel for taking their meal. 9 of them spent ₹20 each on their meals and the 10th person spent ₹27 more then the average expenditure of all of them. What was the total money spent by all of them? |
230 220 239 234 |
230 |
Let the average expenditure = A Total expenditure of 9 person = 20 × 9 = 180 Expenditure of 6th person = A + 27 Total expenditure of all person = 10 × A = 10A ATQ, 180 + (A + 27) = 10A A + 207= 10A 9A = 207 A = 23 Total expenditure = 10 × 23 = Rs. 230 |