Gujarat BoardEnglish MediumSTD 6MATHSPlaying With Numbers1 Mark
Question
All prime numbers are odd.
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Answer
$2$
$63,70,77$
$3$
$63,35,77$
$3$
$21,35,77$
$5$
$7,35,77$
$7$
$7,7,77$
$11$
$1,1,11$
$1,1,$
$\therefore L.C.M$. of $63, 70$ and $77 = 2 \times 3 \times 3 \times 5 \times 7 \times 11$
$= 6930$
Hence, the minimum distance each should cover so that all cover the distance in complete steps is $6930\ cm.$
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