the price of a diamond is proportional to the square of its weight . if the price of a diamond weighting 5 carrets is ₹ 225 .find the price of another diamond weighting 9. what is answer
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Answer:
As the question says,
P directly proportional to W²
where P is price and W is weight
225= 5² carrets
225/25= 1 carret
3 = 1 carret
1 carret prices ₹3
Another diamond price = W²
= 9²×3
=81×3
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