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  1. H.C.F of 1/2, 2/3, 3/4, 4/5 is ?
    1. 1
    2. 12
    3. 4/5
    4. 1/60
Correct Option: D

H.C.F = ( H.C.F of 1, 2, 3, 4) / (L.C.M of 2, 3, 4, 5)
= 1/60


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