Which pair of ratios are equal? And why?
(i) 2/3, 4/6(ii) 8/4, 2/1(iii) 4/5, 12/20
(i) and (ii)
(i) 2/3 = 4/6, (ii) 8/4 = 2/1. Both are equal pairs. (iii) 4/5 ≠ 12/20 (since 12/20 = 3/5).