Cylindrical pillars are to be made for a flat whose radius is 15cm and height is 3.5m. What is the total amount of concrete (in cm3) required to make 15 identical pillars? (Take = ( frac{22}{7} ))

Cylindrical pillars are to be made for a flat whose radius is 15cm and

1.	Cylindrical pillars are to be made for a flat whose radius is 15cm and height is 3.5m. What is the total amount of concrete (in cm3) required to make 15 identical pillars? (Take = ( frac{22}{7} ))
A.	3513600
B.	3712500
C.	4125300
D.	3917800
Answer» C. 4125300

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