a conical water-jug is 7cm in diameter and 6cm deep. find the volume of water it can hold. [Take (pi = frac{22}{7})]
-
A.
22cm2 -
B.
44cm3 -
C.
77cm3 -
D.
3082
Correct Answer: Option C
Explanation
Volume = (frac{1}{3} pi r^2h = frac{1}{3} times frac{22}{7} times frac{7}{2} times frac{7}{2} times frac{6}{1})
V = (frac{6468}{84})
= 77cm3