A man ordered pizzas of small, medium and large sizes for 18 persons, one slice per person. Each size contains different numbers of slices and the ratio of their slices is 2 : 3 : 4. If each slice is of 40 gm and the price of a smaller pizza is Rs. 320, find the price and weight of a total pizza.
1
Rs.1400 and 720 gm
2
Rs.1340 and 620 gm
3
Rs.1540 and 780 gm
4
Rs.1440 and 720 gm
5
Rs.1440 and 820 gm