find the least number which when divided by 16 leaves a reminder 6 when divided by 19 leaves reminder 9 and when divided by 21 leaves reminder 11
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Answer is TEN
EXPLAINED
16 = bq + 6
⇒16 - 6 = bq
⇒10 = bq
19 = bq + 9
⇒19-9 = bq
⇒10 = bq
21 = bq + 11
⇒10 = bq
LCM of (10, 10 ,10)
= 10 (Obviously)
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