Question

The hcf of two number is 20 if the number of the ratio is 2:5 their lcm is

Answer 1

The answer is given below :

The ratio of the numbers is 2 : 5

Given, the hcf of the numbers is 20.

Then, the numbers are

2×20 and 5×20

i.e., 40 and 100

Now,

40 = 4 × 10

100 = 10 × 10

So, the lcm of the numbers 40 and 100 be

= 4 × 10 × 10

= 400

Thank you for your question.

Answer 2

Hye

________

HCF of the numbers is 20

They are in ratio 2:5

So the numbers
=20*2=40
=20*5 =100

The numbers are 40 and 100

LCM of 40 and 100 is 200
40*5=200
100*2=200

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Hope it helps