Correct option is A
Given:
Ratio of two numbers = 5:7
Product of HCF and LCM = 2835
Formula Used:
Product of two Numbers = Product of their HCF and LCM
Solution:
Here let the numbers be 5x and 7x
(5x)(7x) = 2835
x=
x= 9
Sum of the numbers = 5x +7x = 12x = 12 9 = 108