engineering recuitment ICAR (IARI) Assistant (Pre + Mains) 2022 Mock Test Quantitative Aptitude Mensuration Solid Figures
If the radius of a sphere is increased by 2.5 decimetre (dm), then its surface area increases by 110 dm2. What is the volume (in dm3) of the sphere?
(Take π = \(\frac{22}{7}\))
1
\(\frac{4}{7}\)
2
\(\frac{3}{7}\)
3
\(\frac{13}{21}\)
4
\(\frac{11}{21}\)