A) 7 : 6
B) 6 : 7
C) 3 : 7
D) 7 : 3
Correct Answer: D
Solution :
Curved surface area of pillar \[=264\,{{m}^{2}}\] \[\therefore \] \[2\pi rh=264\] ...(i) and value of pillar \[=924\,{{m}^{3}}\] \[\therefore \] \[\pi {{r}^{2}}h=924\] ?(ii) On solving Eqs. (i) and (ii), we get \[r=7,\] \[h=6\] \[\therefore \] Required ratio\[=\frac{14}{6}=7:3\]You need to login to perform this action.
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