In an survey of 825 farmers ,125 of them were not using any type of fertilizer in their vegetable farming.150 of them were using chemical as well as organic fertilizers. The ratio of the number of only chemical fertilizer users to that of only organic fertilizer users is 5:6 1) fifertilizers. Thend the number of chemical fertilizers users. 2)how many of them were not using organic fertilizer 3)how many of them were using only one type 4) Illustrate the above information in a Venn diagram