Question 1
What is the H.C.F. of 36 and 42?
What is the H.C.F. of 36 and 42?
What is the L.C.M. of 6 and 14?
What is the H.C.F. of 24 and 32?
Five questions on this topic, marked at the end. No hints and no answers along the way — that is what makes the result mean something.
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