Maths MCQ's
Three flags each of different colours are available for a military exercise, Using these flags different codes can be generated by waving I. Single flag of different colours II. Any two flags in a different sequence of colours. III. three flags in a different sequence of colours. The maximum number of codes that can be generated is.
mohit
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A. 6
B. 9
C. 15
D. 18
A jogger running at 9 kmph alongside a railway track in 240 metres ahead of the engine of a 120 metres long train running at 45 kmph in the same direction. In how much time will the train pass the joɡɡer?
mohit
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A. 3.6 sec
B. 18 sec
C. 36 sec
D. 72 sec
One Gross is equal to___________?
mohit
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A. 5 Dozen
B. 10 Dozen
C. 12 Dozen
D. None of them