An alloy consists of 30% of copper , 40 % of zinc, and the remaining is nickel.Find the amount of nickel in 20 Kg of the alloy.
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2
1 kg consists 30% of nickel (100-40-30)
so 30% of 1kg = 30×1000g÷100=300g
so in 20kg of alloy contains 20kg × 300g= 6kg
so 30% of 1kg = 30×1000g÷100=300g
so in 20kg of alloy contains 20kg × 300g= 6kg
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3
amount of copper is 6 kg
amount of zinc is 8 kg
amount of nickel is 6 kg
amount of zinc is 8 kg
amount of nickel is 6 kg
malikhumaira36:
w8
jagdish recieves 24000 as his monthly salary . if he spends 20% of it as house rent what is his house rent . he donates 7200 on education of underprivileged children . what percent of his salary is he donating
his house rent is 4800
i knw tht
vl uh plzz tell me the % of salary donating
ans is 30%
7200÷24000×100 is 30%
thnk uh so much
welcome
..again thnks
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