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RRB Junior Engineer / DMS / CMA 2019 · Question 121 of 3719

When a natural number 'n' is divided by 4, the remainder is 3. What will be the remainder when (2n + 3) is divided by 4?

Mathematics - Miscellaneous

  1. Aa. 1Correct
  2. Bb. 3
  3. Cc. 0
  4. Dd. 2

Answer: A. a. 1

Explanation

Given, when a natural number 'n' is divided by 4, the remainder is 3. Let the number be 7 (condition satisfied) Now, =(2n + 3) = (2 x 7 + 3) = 14 + 3 = 17 When 17 is divided by 4, then remainder will be 1

Source: RRB JE 2019 CBT-1 (24-May-2019 Shift-1) — ixambee compilation with answer key and solutions · reliable-secondary

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