railway RRB NTPC Mock Test Series 2024-25 (CBT 1 + CBT 2) Quantitative Aptitude Algebra Identities

ଯଦି  x2 + 4y2 = 53 ଏବଂ x - 2y = 5,ତେବେ  x3 - 8y3  ର ମୂଲ୍ୟ କେତେ ?

1
-85
2
85
3
155
4
335
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