Multiple choice

A total of 19 persons went to a hotel for a combined dinner party. 13 of them spent Rs. 79 each on their dinner and the rest spent Rs. 4 more than the average expenditure of all the 19. What was the total amount of money spent by them?

  1. 94

  2. 90

  3. 84

  4. None of these

  5. 87

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

Let us assume that the average of all 19 persons is X. So, the total expenditure of 13 members is 13 * 79 and the rest of the people is 6(X + 4). As per the equation: 19X = 13 * 79 + 6(X + 4) => X = 1051/13 = 80.84 (approx). So, option 4 is correct.