que - 7...
5 grams of an alloy contains 3/ 3 by 4 grams
copper and the rest is nickel
find the ratio by weight of
nickel to copper??
class -7th
chapter- ratio and proportion
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Total weight of an alloy = 5 gms
3 15
Weight of copper = 334 gms = 154 gms
Weight of nickel = Total weight of alloy – weight of copper
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