alleryଜିଙ୍କ ଏବଂ ତମ୍ବାର ଏକ ମିଶ୍ରଧାତୁରେ ଅନୁପାତ 5 : 3 ଅଟେ। ଏହାର 40 kg ରେ କେତେ ପରିମାଣର ଜିଙ୍କ ଅଛି?
A15 kg
B25 kg
C30 kg
D20 kg
Answer & Solution
Correct answer: B. 25 kg
ଜିଙ୍କ ମିଶ୍ରଧାତୁର 5/8 ଅଂଶ ଅଟେ, ଏବଂ 40 kg ର 5/8 ହେଉଛି 25 kg।
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