Question

three numbers are in the ratio of 2 is to 3 is to 5 and their LCM is 720 what is their HCF.​

Answer 1

Step-by-step explanation:

Let the number be 2x,3x and 5x

Then their L.C.M=30x

∴30x=2400

⇒x=

80

2400

=30

∴Numbers are (2×30),(3×30)and(,5×30)

Then H.C.F=30

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Answer 2

Answer:

The common factor of 2, 3 and 5 is 1. So, the H.C.F of 2, 3 and 5 is equal to 1.