Question

11. The LCM of two numbers is 9 times their HCF. The sum of LCM and HCF
is 500. Find their HCF.
[CBSE 2019C]​

Answer 1

Answer:

let hcf = x

lcm = x*9 =9x

a/q

hcf + lcm = 500

9x + x = 500

10x =500

x = 500/10

x = 50

hcf = 50