alleryଏକ ସାଧାରଣ ଭର୍ଟେକ୍ସ ବାଣ୍ଟୁଥିବା ଏକ କ୍ୟୁବାଇଡ୍ ର ତିନୋଟି ମୁଖର ଭୂପୃଷ୍ଠଗୁଡ଼ିକ ହେଉଛି 25 m², 32 m² ଏବଂ 32 m² | କ୍ୟୁବାଇଡର ପରିମାଣ କେତେ?
A160 m³
B92 m³
C184 m³
D128 m³
Answer & Solution
Correct answer: A. 160 m³
1 |
ଚେହେରାଗୁଡିକ ab = 25, bc = 32, ca = 32 ହେଉ |
2 |
ଗୁଣନ: (abc) ² = 25 × 32 × 32 = 25600 |
3 |
ତେଣୁ abc = √25600 = 160 |
4 |
କ୍ୟୁବାଇଡ୍ ର ଭଲ୍ୟୁମ୍ = abc = 160 m³ |
_ ଉତ୍ସ: RRB ଗୋଷ୍ଠୀ D CEN-02/2018 PYQ, Q.13._
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