Question

1/10 of a pole is coloured red, 1/20 white, 1/30 blue, 1/40 black, 1/50 violet, 1/60 yellow and the rest is green.if the length of the green portion of the pole is 12.08 metres, then the length of the pole is:
A.16 m
B.18 m
C.20 m
D.30 m

Answer 1

Let the length of the pole be ‘x’ metresPortion of pole coloured with red = (x/10)Portion of pole coloured with white = (x/20) Portion of pole coloured with blue = (x/30) Portion of pole coloured with black = (x/40) Portion of pole coloured with violet = (x/50) Portion of pole coloured with yellow = (x/60) Hence total portion of pole coloured with above colours  Hence the total length of the pole is 16 metres.

Answer 2

The length of the pole is 16 m.