Question

gulshan shathi and om running around a circular stadium and complete one round in 14sec 8sec and 15sec respectively. in how much time will they meet again at the starting point

Answer 1

simply find the l. c. m of three numbers and you will get your results which is 840s

do write the factors of each no.

see 14=7×2
15=5×3
8=2×2×2

now select each no. factors and the greatest power of those and multiply them
=5×3×2³×7=840

this gives lcm

hope it helps if it does
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