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EPFO Officer Divisibility Rules — practice questions

Explore 2 free Divisibility Rules questions in EPFO Officer Quantitative Aptitude. Open each question or exercise to read its content, reference answers and available explanation.

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Divisibility Rules questions and exercises with answers

Showing questions 1–2 of 2.

If the number x4584 is divisible by 11, what is the value of x?Read the answer and worked solution →If the number x4461 is divisible by 11, what is the face value of x?Read the answer and worked solution →

Worked practice questions

If the number x4584 is divisible by 11, what is the value of x?

  1. 4
  2. 3
  3. 2
  4. 5
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Correct answer: B. 3

1. Divisibility by 11: difference of sums of alternate digits is a multiple of 11. 2. For x4584: (x + 5 + 4) − (4 + 8) = (x + 9) − 12 = x − 3. 3. x − 3 = 0 gives x = 3. _Source: RRB Group D CEN-02/2018 PYQ, Q.38._

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If the number x4461 is divisible by 11, what is the face value of x?

  1. 2
  2. 5
  3. 3
  4. 4
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Correct answer: B. 5

1. Divisibility by 11 uses the alternating sum of digits from the right: 1, 6, 4, 4, x. 2. (1 + 4 + x) - (6 + 4) = (5 + x) - 10 = x - 5. 3. For divisibility, x - 5 must be 0, so x = 5. _Source: RRB Group D CEN-02/2018 PYQ, Q.82._

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More Quantitative Aptitude topics

MensurationMultiplicationNumber PropertiesSimple InterestSquares And RootsPercentagesNumber SystemRatio and Proportion