A ହେଉଛି 120% B ଏବଂ B ହେଉଛି 85% C ଯଦି A, B ଏବଂ C ର ରାଶି \(143\frac{1}{2}\) ତେବେ C - 4B + 2A ର ମୂଲ୍ୟ ହେଉଛି:

1
-18
2
15
3
20
4
-10

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