If the ratio of rthe adius of the bases of two cylinders is 4 : 5 and the ratio of their heights is 5 : 2, then the ratio of their volumes is:
Show answer & explanation
Correct answer: B
Explanation
The correct answer is Option 2 i.e. 8 : 5.
Ratio of volumes = (42 × 5) : (52 × 2)
= (16 × 5) : (25 × 2)
= 80 : 50
= 8 : 5