state gov TSPSC Forest Beat Officer (ఫారెస్ట్ బీట్ ఆఫీసర్) Mock Test 2023 Quantitative Aptitude Mensuration Solid Figures
A corn cob which is in the shape of a cone has the radius of its broadest end as 2.1 cm and is of length 20 cm. If each square cm. of the surface of the cob caries on an average four grains, then the number of grains on the entire corn cob is approximately
1
562
2
531
3
525
4
512