Question 57

The ratio of P and Q in an alloy is 3 : 7. If the alloy is made of only P and Q, how much amount of Q will be there in 1800 kg of that alloy?

Solution

Total alloy = 1800 kg

The ratio of P and Q in an alloy is 3 : 7.

Amount of Q in alloy = $$\frac{1800}{10}\times7$$

= $$180\times7$$

= 1260 kg

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