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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)

best_answer

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

$Number=315$

Posted by

rishi.raj

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