Question

please answer step by step​

Answer 1

Answer:

Answer no 16=34

Answer no 17=180

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Answer 2

Answer:

(a) ☆☆Number of students= root 1156=34☆☆

(b) Least number = LCM (least common factor)

2|6,9,15,20

2|3,9,15,10

3|3,9,15,5

3|1,3,5,5

5|1,1,5,5

|1,1,1,1

LCM= 2×2×3×3×5=180

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