A) 140
B) 80
C) 60
D) 70
Correct Answer: D
Solution :
Let the numbers be 10x and 10y where x and y are prime I each other. \[\therefore \] \[LCM=10xy\] \[\Rightarrow \] \[10xy=120\] \[\Rightarrow \] \[xy=12\] Possible pairs = (3, 4) or (1, 12) \[\therefore \] Sum of the numbers = 30 + 40 = 70You need to login to perform this action.
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