Question

The HCF and LCM of two numbers are 20 and 200 respectively. One of the numbers is 80.
Find the other number and verify that LCM X HCF = Product of the two numbers.
ANSWER
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Answer 1

Answer:

60

Step-by-step explanation:

Given, HCF=20

LCM=200

1st no.=80

2nd no.=??

Using LCM * HCF = 1st no. * 2nd no.

20*200 =80 * 2nd no.

4000=80* 2nd no.

4000/80 = 2nd no.

60 =2nd no.

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Answer 2

The other number is 50.

Given - HCF, LCM and one number

Find - Other number

Solution - Let the other number be x. As per the known fact, LCM X HCF = Product of the two numbers.

20*200 = 80*x

$x = \frac{20 \times 200}{80}$

Performing multiplication and division

$x = 50$

Hence, the other number is 50.

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