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15:220::100:?

78:117::90: ? :108:162

An alloy contains 70% zinc and 30% copper. In another alloy zinc is 78.5% and copper is 13%. In what ratio should both alloys be mixed so that the newly formed alloy contains 18% copper and also find the percentage of zinc in this.

An alloy contains 70% zinc and 30% copper. In another alloy zinc is 78.5% and copper is 13%. In what ratio should both alloys be mixed so that the newly formed alloy contains 18% copper and also find the percentage of zinc in this.

Purchased sectionals tests can you provide schedule if tests and order of chapters ?

I am unable to understand the time work and distance chapter the process which ma'am is teaching some of steps I could not catch up what to do

I think following the schedule is making me divert from one topic to another, and not allowing me to focus on a single topic and mastering it with question practice. so i will follow the study room where all the videos are available for one topic, with my own pace and later solve study questions

Apex bank question paper

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how do I solve quant problem without calculator or with?