Teaching BPSC बिहार मध्य विद्यालय (6 to 8) शिक्षक भर्ती 4.0 Mock Test Quantitative Aptitude Mensuration Solid Figures
A solid metallic cube of side 20cm is melted and recast into a cuboid of length 40 cm and breadth 40 cm. What is the length (in cm) of the body diagonal of the cuboid?
1
\(5\sqrt {129} \)
2
\(129\sqrt {5} \)
3
\(15\sqrt {43} \)
4
More than one of the above
5
None of the above