Question

QUJUUU ITU
I
Walk til
1. The ratio between the LCM and HCF of 5 15 and 20 is
(a) 9 1 (b) 1:3 (c) 11:1 (d) 12:1​

Answer 1

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$\huge\tt\blue{Answer:-}$

Here,

5=5×1

15=5×3

20=5×2×2

So,

L.C.M=5×3×2×2

=60

Again,

H.C.F=5

Therefore ratio of L.C.M and H.C.F

$= \frac{60}{5} \\ = \frac{12}{1} \\ = 12</strong><strong>:</strong><strong>1$

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