The ratio of the radii of two spheres is 3 : 2. Find the ratio of their volumes.
Answer & explanation
Correct answer: option 4
$R_1:R_2=3:2$
$V_1:V_2=\frac{4}{3}πR_1^3:\frac{4}{3}πR_2^3$
$=R_1^3:R_2^3=27:8$
The ratio of the radii of two spheres is 3 : 2. Find the ratio of their volumes.
Correct answer: option 4
$R_1:R_2=3:2$
$V_1:V_2=\frac{4}{3}πR_1^3:\frac{4}{3}πR_2^3$
$=R_1^3:R_2^3=27:8$