Question

Mark against the correct answer in each of the following:
1. 3/4 as rate per cent is
(c) 0.75%
(d) none of these
(a) 7.5%
(b) 75%
2. The ratio 2:5 as rate per cent is
(a) 4%
(b) 0.4%
(c) 40%
(d) 14%​

Answer 1

1. 3/4*100 = 75%

2. 2:5= 2/5*100 =40%

Answer 2

Whereas standard color photography (known as polychrome) displays colors from across the spectrum, monochrome photography takes only one single color and uses a range of tones of that color.