In a school, students thought of planting trees in and around the school to reduce air
pollution. It was decided that the number of trees, that each section of each class will
plant will be the same as the class, in which they are studying, e.g., a section of Class I
will plant 1 tree, a section of Class II will plant 2 trees and so on till Class XII. There are
three sections of each class. How many trees will be planted by the students?
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Answer:
3+6+9+12+15+18+21+24+27+30+33+36
=234 trees
Step-by-step explanation:
Class 1= 3 trees +
Class 2= 6 trees+
Class 3= 9 trees +
Class 4= 12trees +
Class 5=15 trees +
Class 6= 18 trees +
Class 7= 21trees +
Class 8= 24 trees+
Class 9= 27 trees +
Class 10=30 trees +
Class 11 = 33 trees +
Class 12 = 36 trees
=234 trees
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