Three cubes whose sides are 3 cm, 4 cm and 5 cm
respectively are melted and a big cube is formed. The
side of the cube so formed is-
(A) 4.5 cm
(B) 5.5 cm
(C) 6 cm
(D) 7 cm
Answers
Answered by
3
Answer:
Volume of 3 cubes respectively:{3^3+4^3+5^3 }cm^3=27+64+125 cm^3=216cm^3
now cube root of 216 =6 so option c is correct
dhruv12512:
What you have done
option c is correct
yes
I am not able to understand
i have added the volume of cube of the sides 3,4,5 cm
tge found the cube root of the combined volume
then found
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