how to know if a word problem says to find hcf or lcm? (class 10 maths ch 1) Take this question as an example! And plz say how ti know if we need to find lcm or hcf in such type questions?
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If the word problem is of this type that you have to find after how many minutes they will meet you have to find lcm and if they have told you to find the maximum number of things in any question you have to find HCF
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