(i) Percentage of marigold flowers
= 100% – (30% + 10%)
= 100% – 40%
= 60%
No. of marigold flowers = 120 x 60/100 = 72
(ii) No. of jasmine flowers = 120 x 10/100 = 12
(iii) Percentage of Rose flowers = 30%
Number of Rose flowers = 30/100 x 120 = 36
Number of Jasmine flowers = 12
Difference of number of rose and marigold flowers = 72 – 12 = 60
Hence, rose flowers were less than jasmine flowers by = 60/72 x 100 = 83.33%