Question

The HCF of two numbers is 20. If the numbers are in the ratio 2:5, then their LCM IS:

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Answer 1

Answer:

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

2x20 and 5x20

i.e., 40 and 100

Now,

40 = 4 x 10

100 = = 10 x 10

So, the Icm of the numbers 40 and 100 be

= 4 × 10 × 10

= 400

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