state gov Allahabad High Court Group C Mock Test Series 2024 Quantitative Aptitude Mensuration Solid Figures
A cylindrical well of radius 7 cm and height 10 cm is dug and the mud is spread out evenly around the well having the width of 3.5 cm. What is the height of mud spread around the well? (Take π = 22/7)
1
6 cm
2
7.5 cm
3
8 cm
4
9 cm