Teaching BPSC बिहार माध्यमिक TGT (9 to 10) शिक्षक भर्ती 4.0 Mock Test Quantitative Aptitude Mensuration Solid Figures
A solid cylinder in which the height is 6 times the radius is melted and cast into another cylinder with the height and radius interchanged and is found to have the total surface area equal to 264 cm2. The total surface area of the first cylinder is (use \(\pi=\frac{22}{7}\)):
1
66 cm
2
22 cm
3
44 cm
4
More than one of the above
5
None of the above