Civil Services TNPSC Group 1 (New Syllabus) Mock Test 2025 Quantitative Aptitude Mensuration Solid Figures
A hollow cylindrical iron pipe is of length 35 cm. Its outer and inner diameters are 10 cm and 8 cm respectively. Find the weight of the pipe if 1 cu.cm of iron weighs 7 gm.
1
6.93 kg
2
9.90 kg
3
7.53 kg
4
7.93 kg
5
Answer not known