allery40 kg ର ଏକ ମିଶ୍ରଣରେ A, B, C, D ଯଥାକ୍ରମେ 5 : 9 : 4 : 2 ଅନୁପାତରେ ଅଛନ୍ତି। B ର ପରିମାଣ କେତେ?
A16 kg
B18 kg
C20 kg
D9 kg
Answer & Solution
Correct answer: B. 18 kg
20 ଭାଗର ଓଜନ 40 kg, ତେଣୁ ଗୋଟିଏ ଭାଗ ହେଉଛି 2 kg ଏବଂ B ହେଉଛି 9 x 2 = 18 kg।
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