Question

the science teacher ask the student of class 7 to make a project report on pollution.when10 student work on its the work finised in 3 days. how many student required so that work finished in 2 days
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Answer 1

Step-by-step explanation:

3 days taken by 10 students.

1 day taken by 10×3 students.

2 days taken by 10×3/2 students.

Therefore, 15 students are required so that the work finish in 2 days. (ANS)

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