alleryଘନକର ବାହୁ ଅଧା କଲେ ନୂତନ ଆୟତନ ମୂଳ ଆୟତନର କେତେ ଗୁଣ ହୁଏ?
A1/3
B1/4
C1/8
D1/2
Answer & Solution
Correct answer: C. 1/8
1. ଘନକର ଆୟତନ = (edge)^3।
2. ବାହୁ ଅଧା କଲେ ଆୟତନ = (edge/2)^3 = (edge)^3 / 8।
3. ତେଣୁ ନୂତନ ଆୟତନ ମୂଳର 1/8।
_Source: RRB Group D CEN-02/2018 PYQ, Q.12._
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