MBA Exam

How many of the first 1200 natural numbers are either prime to 6 or 15 ???

1) 1040
2) 400
3) 720
4) None of these

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MBA Other Question

Find the remainder when 50^56^52 is divided by 11? Plzz explain the procedure..as im not sure of the answer...

1) 2
2) 3
3) 4
4) 5
Allen rides his bike at a constant speed. Similarly, he jogs and
swims at a constant speed. Allen covers a total distance of 74 km after
riding his bike, jogging and swimming for 2, 3 and 4 hours respectively.
However, if he jogs, swims and rides his bike for 2, 3 and 4 hours
respectively, he covers 91 km in all.If Allen’s biking, jogging, and swimming speeds, in km/hr, are integers,
then the sum of the squares of Allen’s biking, jogging and
swimming speed can be?Tag me for d explanation plz.....

1) 296
2) 314
3) 337
4) 378
5) NOT