Math, asked by singhnayal2002, 14 days ago

LCM of two numbers is 120 and HCF is 10. If the first number is 30, then the second number is -​

Answers

Answered by ProximaNova
0

Answer:

40

Step-by-step explanation:

\boxed{\sf{\bf{HCF(a,b)\times LCM(a,b) = a\times b}}}

Let other number x

So,

10 × 120 = 30 × x

x = 40

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Answered by eswarivelan
0

Step-by-step explanation:

Given,

LCM of two numbers is = 120

Ratio of two numbers = 4 : 5

Formula:

Product of two numbers = HCF × LCM

Calculation:

Ratio of two numbers = 4x : 5x

Let the first number be 4x and the second number be 5x, then

HCF of 4x and 5x = x

4x × 5x = x × 120

⇒ x = 120/20

⇒ x = 6

∴ Sum of two number = 4x + 5x = 9x = 9 × 6 = 54

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