Question

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

Answer 1

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