Question

the length breath and hieght of a cuboid is in ratio 1:2:3 and its surface area is 88 find its volume

Answer 1

let the ratio be x,2x and 3x.
surface area=2(lb+bh+hl)
88=2(2x^2+6x^2+3x^2)
88=22x^2
x^2=4
x=2
length )=2
breadth=4
height=6
volume =2×4×6
=48. ans