A number leaves a remainder of 7 when divided by 10. If this number is decreased by 3, what will be the new remainder when divided by 10? (2023)

Practice Questions

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Q1
A number leaves a remainder of 7 when divided by 10. If this number is decreased by 3, what will be the new remainder when divided by 10? (2023)
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  2. 1
  3. 2
  4. 3

Questions & Step-by-step Solutions

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Q
Q: A number leaves a remainder of 7 when divided by 10. If this number is decreased by 3, what will be the new remainder when divided by 10? (2023)
Solution: The new number is (original number - 3) = (10k + 7 - 3) = 10k + 4, which gives a remainder of 4.
Steps: 0

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