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Subjects
Class 10MathematicsReal NumbersEuclid’s Division LemmaExpertLevel 2

If a number leaves remainder 46 when divided by 47, what remainder will seven times the number leave when divided by 47?

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Answer and explanation

Correct answer: 39

Step 1: For seven times the number, the remainder part is (7\times46=322). Step 2: (322=47\times6+40), so the remainder should be 40. Step 3: After multiplication, always reduce the result below the divisor.

Tags

euclids-division-lemmamultiple-remainderexpert

Frequently asked questions

What is the correct answer to this question?

39

Why is this the correct answer?

Step 1: For seven times the number, the remainder part is (7\times46=322). Step 2: (322=47\times6+40), so the remainder should be 40. Step 3: After multiplication, always reduce the result below the divisor.

Which subject and chapter does this question cover?

This is a Class 10 Mathematics question. Chapter: Real Numbers. Topic: Euclid’s Division Lemma.

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