Teaching BPSC बिहार माध्यमिक TGT (9 to 10) शिक्षक भर्ती 4.0 Mock Test Quantitative Aptitude Mensuration Solid Figures
The radius of a wire is reduced to one third. If the volume remains the same, the length will become;
1
3 times
2
6 times
3
9 times
4
More than one of the above
5
None of the above