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A number when divided by 126, leaves remainder 43. If the same number is divided by 21, the remainder will be.1. 72. 13. 24. 9 |
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Answer» Correct Answer - Option 2 : 1 Given: A number is divided by 126 leaves remainder 43 Concept used: Number = Divisor × Dividend + Remainder Calculation: Let the number be 126x + 43 126x + 43 when divided by 21 ⇒ (126x + 43)/21 ⇒ 126x/21 + 43/21 ⇒ 6x + (42 + 1)/21 ⇒ 6x + 42/21 + 1/21 ⇒ 6x + 2 + 1/21 Remainder = 1 ∴ If we divide 126x + 43 by 21, we get 1 as a remainder. |
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