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Find the H.C.F. of the following using prime factorisation method
1. 170, 238
2. 272, 425
3. 1
4. 91, 175, 49<

By Ivy

Find the H.C.F. of the following using prime factorisation method
1. 170, 238
2. 272, 425
3. 1
4. 91, 175, 49
5. 924, 1463, 1925
6. 1
7. 396, 720, 1080
8. 144, 252, 630
9. 1
10. 72, 108, 180.​

About the author
Ivy

In class A, 17 out of 25 students were absent at least one day this year.
In class B the figure was 14 out of 20. In class C


9.
If a man walks 20km at 5km/hr, he will be late by 40 minutes. If he walks at 8km
per hr, how early from the fix

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