Divisibility Quiz: 4, 5, 6, 7, 8

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Questions and Answers

Find the sequence of numbers divisible by 4 from the following sequences.

  • 9, 15, 18, 35, 21
  • 28, 36, 20, 32, 24 (correct)
  • 21, 81, 111, 39, 51
  • 12, 16, 13, 14, 15

Flashcards

Divisibility by 4

A number is divisible by 4 if the last two digits are divisible by 4.

Divisibility by 5

A number is divisible by 5 if the last digit is a 0 or a 5.

Divisibility by 6

A number is divisible by 6 if it is divisible by both 2 and 3.

Divisibility by 7

There is no simple rule for divisibility by 7. You need to use a more complex method.

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Divisibility by 8

A number is divisible by 8 if the last three digits are divisible by 8.

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Study Notes

Divisible by 4

  • Find the set of numbers divisible by 4 from the given list.
  • Example set: 12, 16, 28, 36, 20, 32, 24, ...

Divisible by 5

  • Find the set of numbers divisible by 5 from the given list.
  • Example set: 115, 35, 50, 200, 80, ...

Divisible by 6

  • Find the set of numbers divisible by 6 from the given list.
  • Example set: 180, 36, 18, 42, ...

Divisible by 7

  • Find the set of numbers divisible by 7 from the given list.
  • Example set: 21, 63, 84, 49, 21, ...

Divisible by 8

  • Find the set of numbers divisible by 8 from the given list.
  • Example set: 8, 122, 13, 17, 18, 32, 64, 96 ...

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