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  • Question
  • n is a whole number which when divided by 4 gives 3 as remainder. What will be the remainder when 2*n is divided by 4 ?


  • Options
  • A. 3
  • B. 2
  • C. 1
  • D. 0

  • Correct Answer


  • Explanation

    Let n=4*q + 3. Then, 2*n = 8*q + 6 = 4(2*q + 1) + 2.
    Thus when 2*n is divided by 4, the reminder is 2.


  • Numbers problems


    Search Results


    • 1. Find the unit digit of 4198 + 612345 + 34866 + 2411 + 1.

    • Options
    • A. 3
    • B. 2
    • C. 1
    • D. 0
    • Discuss
    • 2. A piece of ribbon 4 yards long is used to make bows requiring 15 inches of ribbon for each. What is the maximum number of bows that can be made?

    • Options
    • A. 8
    • B. 9
    • C. 10
    • D. 11
    • Discuss
    • 3. If the number 517?324 is completely divisible by 3,then the smallest whole number in place of ? will be:

    • Options
    • A. 2
    • B. 1
    • C. 3
    • D. 7
    • Discuss
    • 4. How many of the following numbers are divisible by 132? 264,396,462,792,968,2178,5184,6336

    • Options
    • A. 4
    • B. 5
    • C. 6
    • D. 7
    • Discuss
    • 5. What smallest number should be added to 4456 so that the sum is completely divisible by 6 ?

    • Options
    • A. 4
    • B. 3
    • C. 2
    • D. 1
    • Discuss
    • 6. At a dinner party every two guests used a bowl of rice between them, every three guests used a bowl of dal between them and every four used a bowl of meat between them. There were altogether 65 dishes. How many guests were present at the party ?

    • Options
    • A. 60
    • B. 74
    • C. 82
    • D. 58
    • Discuss
    • 7. Which natural number is nearest to 8485, which is completely divisible by 75 ?

    • Options
    • A. 8475
    • B. 8500
    • C. 8550
    • D. 8525
    • Discuss
    • 8. Find the next number in the series 3, 4, 5, 5, 12, 13, 7, 24, 25, 8, 15, ...

    • Options
    • A. 26
    • B. 16
    • C. 17
    • D. 18
    • Discuss
    • 9. If x and y are the two digits of the number 653xy such that this number is divisible by 80, then x+y is equal to ?

    • Options
    • A. 5
    • B. 4
    • C. 3
    • D. 2
    • Discuss
    • 10. How many terms are in the G.P. 3, 6, 12, 24, ......., 384 ?

    • Options
    • A. 8
    • B. 9
    • C. 10
    • D. 11
    • Discuss


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