Question 1

Calculate the following percentages.

(a) 10% of 420 (b) 20% of 120 (c) 5% of 68
(d) 60% of 50 (e) 40% of 210 (f) 120% of 450
(g) 30% of 80 (h) 2.5% of 180 (i) 15% of 640
(j) 35% of 60 (k) 7.5% of 480 (l) 45% of 360