Correct option is D
x is the H.C.F. of 13x and 15x.
It is given that the H.C.F of the numbers is 3.
x=3
The numbers are 13×3 and 5×3 i.e., 39 and 45
Difference = 45-39= 6
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Question
Two numbers are in the ratio of 13 : 15. If their HCF is 3, then what is the difference between these two numbers?
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