Three planets revolve round the Sun once in 200 250 and 300 days respectively in their own orbits Wh...........

Quant (SSC) LCM, HCF

Three planets revolve round the Sun once in 200, 250 and 300 days, respectively in their own orbits. When do they all come relatively to the same position as at a certain point of time in their orbits?

After 3000 days

After 2000 days

After 1500 days

After 1200 days

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Explanation:

Given that, three planets revolves the Sun once in 200, 250 and 300 days,
respectively in their own orbits.

∴ Required time = LCM of (200, 250 and 300) = 3000 days
Hence, after 3000 days they all come relatively to the same position as at a certain point of time in their orbits.