Question

14) The timer of 3 mounding machines has been set to 48, 60 and 90 minutes respectively, if all
of them rang together at 11.30 A.M, at what time will all the three machines rang together
again?
a) 10.30 A.M
c) 12.30 P.M
e) None of these
b) 10.3. P.M
d) 11.30 P.M
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Answer 1

Answer:

Step-by-step shbcjbsbcsjkbvjksbvjhshvjsbexplanation: