Multiple choice

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

  1. Rs. 104

  2. Rs. 105

  3. Rs. 116

  4. Rs. 117

  5. None of these

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Let average expenditure of all 9 persons = x. Total expenditure = 9x. Eight persons spent Rs. 12 each = Rs. 96. Ninth person spent x + 8. So 9x = 96 + x + 8 = 104 + x. Therefore 8x = 104, x = 13. Total = 9 × 13 = 117. The ninth person spent 13 + 8 = Rs. 21.