हिंदी

If H.C.F (420, 189) = 21 then L.C.M (420, 189) is _________. - Mathematics

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प्रश्न

If H.C.F (420, 189) = 21 then L.C.M (420, 189) is _________.

विकल्प

  • 420

  • 1890

  • 3780

  • 3680

MCQ
रिक्त स्थान भरें

उत्तर

If H.C.F (420, 189) = 21 then L.C.M (420, 189) is 3780.

Explanation:

Given,

H.C.F (420, 189) = 21

As we know,

L.C.M (a, b) = `(a × b)/(H.C.F (a, b))`

L.C.M (420, 189) = `(420 × 189)/21`

= 20 × 189

= 3780

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