railway RRB Technician Grade 1 Mock Test 2024 Quantitative Aptitude Mensuration Solid Figures

Calculate the cost to paint a water tank in the shape of a sphere having a radius of 7 cm, if the cost of painting is Rs.4.5/cm2 . (π = 22/7)

1
Rs. 2,272
2
Rs. 2,277
3
Rs. 2,727
4
Rs. 2,772
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