1.

The ratio of cost of bottle and lunch box are 13:7.The coast of bottle is Rs 300 more tha the cost of lunch box .what is the cost of lunch box.

Answer»

Let cost of bottle be 13x and cost of lunch box be 7x

Then,13x = 7x + 30013x - 7x = 3006x = 300x = 300/6 = 50

Cost of the lunch box = 7*50 = Rs 350



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