Question

21.) If LCM of two numbers is 225 and the vhighest common factor is 5, then find the numbers when one of the numbers is 25. 10​

Answer 1

Answer:

Prod of two numbers = product of their lcm and hcf

Let the other number be x

25 × x = 225×5

x = (225×5)÷25

= 45

Answer 2

Answer:

Given , LCM = 225 , HCF = 5 , First Number = 25 , Second Number = ?

We can find the Second Number with the help of given formula ,

LCM × HCF = 1st Number× 2nd Number

⇒ 225 × 5 = 25 × 2nd Number

2nd Number =

225 × 5

= 45

25

Step-by-step explanation:

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