Choose the most appropriate answer. An alloy is made of metal A and metal B in the ratio 2:3. In each step, we add metals A and B to the alloy equal to 20% and 5% of weights of metal A and metal B respectively at previous step. Which step onwards will the alloy contain more than 50% of metal A? - Study24x7
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Harsh Vardhan Singh
11 Jan 2023 11:59 AM study24x7 study24x7

Choose the most appropriate answer. An alloy is made of metal A and metal B in the ratio 2:3. In each step, we add metals A and B to the alloy equal to 20% and 5% of weights of metal A and metal B respectively at previous step. Which step onwards will the alloy contain more than 50% of metal A?

A

2

B

3

C

4

D

5

Defence
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