Q:

Cost of a stone varies directly as the square of its weight. A stone broke into four pieces with their weights in the ratio 1 : 2 : 3: 4. If the loss in the total value of the stone  was Rs.7000, the price of the original stone was

• 1
  Rs. 150000
• 2
  Rs.175000
• 3
  Rs.100000
• 4
  Rs.140000