Estimate what part of the figures is coloured and hence find per cent which is coloured:- 0.65

Estimate what part of the figures is coloured and hence find per cent which is coloured:- 0.02

Estimate what part of the figures is coloured and hence find per cent which is coloured:- 12.35

Which of the following compounds is not coloured?

A spinner has four colours as shown in the figure. When we spin it once, find a) At which colour, is the pointer more likely to stop? b) At which colour, is the pointer less likely to stop? c) At which colours, is the pointer equally likely to stop? d) What is the chance the pointer will stop on white? e) Is there any colour at which the pointer certainly stops?

On what factor does the colour of the scattered light depend ?

Which planet is yellowish in colour ?