Question

LCM of two numbers is 120 and their HCF is 10. Which one of the following be the sum of two numbers?​

Answer 1

Answer:

Numbers= 10x and 10y

where x and y are prime to each other,

LCM=10xy

=10xy=120=xy=12

possible pair =(3,4)

sum of numbers

=10multyply 3+10 multiply 4

=70

as x and y are prime to each other.