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What is the least number which leaves remainder 3 and 7 respectively when divided by 7 and 11?

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Dividing 80 by 7 and 11

⇒ Remainder when divided by 7 = 3

⇒ Remainder when divided by 11 = 3

Dividing 73 by 7 and 11

⇒ Remainder when divided by 7 = 3

⇒ Remainder when divided by 11 = 7

Dividing 93 by 7 and 11

⇒ Remainder when divided by 7 = 2

⇒ Remainder when divided by 11 = 5

Dividing 150 by 7 and 11

⇒ Remainder when divided by 7 = 3

⇒ Remainder when divided by 11 = 7

∴ The least number which leaves remainder 3 and 7 respectively when divided by 7 and 11 is 73.