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  • Question
  • 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

  • Correct Answer


  • Explanation

    Sum of digits = (5 + 1 + 7 + x + 3 + 2 + 4) = ( 22 + x ), which must be divisible by 3.

    When x=2. [(22 + 2) = 24 is divisible by 3]

    So, the answer is 2


  • Numbers problems


    Search Results


    • 1. 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
    • 2. 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
    • 3. The sum of the two numbers is 12 and their product is 35.What is the sum of the reciprocals of these numbers?

    • Options
    • A. 12/35
    • B. 1/35
    • C. 35/8
    • D. 7/32
    • Discuss
    • 4. How many numbers up to 300 and 700 are divisible by 2, 3 and 7 both together ?

    • Options
    • A. 7
    • B. 9
    • C. 11
    • D. 5
    • Discuss
    • 5. The largest 4 digit number exactly divisible by 88 is ?

    • Options
    • A. 9944
    • B. 9768
    • C. 8888
    • D. 9988
    • Discuss
    • 6. 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
    • 7. Find the unit digit of 4198 + 612345 + 34866 + 2411 + 1.

    • Options
    • A. 3
    • B. 2
    • C. 1
    • D. 0
    • Discuss
    • 8. 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
    • Discuss
    • 9. 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
    • 10. Which natural number is nearest to 8485, which is completely divisible by 75 ?

    • Options
    • A. 8475
    • B. 8500
    • C. 8550
    • D. 8525
    • Discuss


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