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

Answer: Option E

Let average expenditure of 19 people be x
then,
19x = 13 × 79 + 6 × (x + 4)
or, 19x = 13 × 79 + 6x + 24
or, x = 80.84
So, total money spent
= 80.84 × 19
= Rs. 1536.07