Question

A is LCM of 2,4,6,8,10; B is LCM of 1,3,5,7,9 and C is LCM of A and B. Evaluate C-21A.

a) 0

b) 1

c) 5

d) 3​

Answer 1

Answer:

A=L.C.M of 2,4,6,8,10 is 2×1×2×3×4×5=12×20

A=240

B=L.C.M of 1,3,5,7,9 is 1×3×5×7×9=15×63

B=945

C= L.C.M of 240 and 945 is 5×3×16×63=15×1,008

C=15,120

C-21A=15,120-21(240)

=15,120-5,040

10,080 is is your answer

Step-by-step explanation:

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