Question

37) The volume of two cubes is in the ratio 64 : 125. The ratio of their total surface
areas is
A) 16:25
B) 4:5
4:6
D) 8:25​

Answer 1

Answer:

answer is (B)

64/125=4/5

Answer 2

Answer:

16 : 25

Step-by-step explanation:

volume of a cube = a^3

64. = a^3

4^3. = a^3

4. = a1

similarly, for 125 ,

a2 = 5

surface area of a cube = 6 a^2

ratio of surface area =

6(a1)^2 / 6(a2)^2

= (a1)^2 /(a2)^2

= 4^2 / 5^2

= 16 / 25

= 16 : 25