Question

21. Two numbers are in the ratio 3 : 4 and the
product of their LCM and HCF is 10800.
Find the sum of the numbers.
(2) 70
(4) 200
(1) 190
(3) 210​

Answer 1

Answer:

90, 120

Step-by-step explanation:

The numbers are 90 and 12

solution

since ratio of the numbers is 3:4

the numbers are 3x and 4x

now product of 2 numbers = product of their hcf and LCM

so 3x * 4x = 10800

12x^2 = 10800

x^2 = 900

x = 30

so numbers are 3x and 4x

= 90 and 120.

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