Hey..!!

It contains 80%Copper.

How much copper should be added to the alloy so that percentage of copper is increased to 90%

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An alloy of copper and bronze weight50g.

It contains 80% Co

It contains 80% Co

Arun’s weight is 140% of Akhil’sweight.

Nani’s weight

Nani’s weight

Alloy A contains 40% gold and 60%silver.

Alloy B contains 3

Alloy B contains 3

Sneha’s weight is 140% of Veena’sweight.

Rina’s weigh

Rina’s weigh

In 50 gm alloy of gold and silver the gold is 80 % by weight

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Bronze is an alloy, it contains 885 of copper and rest 12% i

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If

If

The average weight of 21 girls was recorded as 58kgs.

If th

If th