What will be the least number which when doubled becomes exactly divisible by 9, 15, 21, and 30?

  • Option 1)

    196

  • Option 2)

    189

  • Option 3)

    630

  • Option 4)

    315

  • Option 5)

    -

Answers (1)

LCM \: of \: 9, 15, 21\: and\: 30=630

Number=315

 

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