1 14. Can two numbers have 18 as their HCF and 252 as their LCM. Give reasons.
Answers
Answer:
Salary (xi) workers (fi) (xi fi)
3000 16 48,000
4000 12 48,000
5000 10 50,000
6000 8 48,000
7000 6 42,000
8000 4 32,000
9000 3 27,000
10,000 1 10,000
∑fi=60 ∑fixi=305000
Mean =
∑fi
∑fixi
=
60
305000
=5083.33
Answer:
Salary (xi) workers (fi) (xi fi)
3000 16 48,000
4000 12 48,000
5000 10 50,000
6000 8 48,000
7000 6 42,000
8000 4 32,000
9000 3 27,000
10,000 1 10,000
∑fi=60 ∑fixi=305000
Mean =
∑fi
∑fixi
=
60
305000
=5083.33