1.

In a school students decided to plant trees in and around the school toreduce air pollution. It was decided that the number of trees, that eachsection of class will plant, will be double of the class in which they arestudying. If there are 1 to 12 classes in the school and each class hastwo sections find out how many trees were planted by the students?​

Answer»

Step-by-step EXPLANATION:

let suppose it be class

1 *2 *2 because DOUBLE

= 4

2*2*2 = 8

3*2*2=12

4*2*2=16

5*2*2=20

6*2*2=24

7*2*2=28

8*2*2=32

9*2*2=36

10*2*2=40

11*2*2=44

12*2*2=48

now ADDING we get 8+12+16+20+24+28+32+36+40+44+48=272

.:272 trees are planted by the students.


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