The L.C.M. of three numbers is 2400, and their ratio is 3: 4: 5. Their H.C.F. is as follows:
A. 40
B. 80
C. 120
D. 200
Answer:A
The L.C.M. of three numbers is 2400, and their ratio is 3: 4: 5. Their H.C.F. is as follows:
A. 40 B. 80 C. 120 D. 200
Explanation: 3x, 4x, and 5x are the numbers to use.Their L.C.M. then becomes 60x.As a result, 60x = 2400, or x = 40..(3 x 40), (4 x 40), and (5 x 40) are the numbers (5 x 40).As a result, the necessary H.C.F. is 40.