The total cost of seven oranges, five papayas, eleven apples and six guavas are Rs 120. The cost of four oranges, six papayas and five guavas are Rs. 210. Find the cost price of three oranges, three papayas, three apples and three guavas.
1
Rs. 100
2
Rs. 90
3
Rs. 70
4
Rs. 80