The height of the wall is 6 times its width and length of the wall is 7 times its height .if the volume of the wall be 129024 cu.m.its width is
Answers:
A) 4 m  B) 5 m  C) 6 m  D) 7 m  E) 8 m

Rationale: "explanation : let width = x then , height = 6 x and length = 42 x 42 x ã — 6 x ã — x = 129024 x = 8 answer : e"
Answer: E