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  • Question
  • If 1x5x01 is divisible by 11, then the value of x is


  • Options
  • A. 6
  • B. 4
  • C. 8
  • D. 9

  • Correct Answer


  • Explanation

    When a number is divisible by 11, then sum of numbers at even place - sum of numbers at odd place = 0 or divisible by 11.

    ( x + x + 1 ) - ( 1+ 5 + 0 ) = 11
    ? 2x - 5 = 11
    ? x = 8


  • Number System problems


    Search Results


    • 1. 
      The units digit in the product ( 784 x 618 x 917 x 463 ) is

    • Options
    • A. 2
    • B. 3
    • C. 4
    • D. 5
    • Discuss
    • 2. 
      Find the product of place value and face value of 5 in 65231

    • Options
    • A. 28000
    • B. 25000
    • C. 27000
    • D. 26000
    • Discuss
    • 3. 
      The sum of the digits of a two digit number is 10, when the number is reversed, the number increases by 72.Find the number.

    • Options
    • A. 64
    • B. 82
    • C. 19
    • D. 37
    • Discuss
    • 4. 
      The last digit of the number obtained by multiplying the numbers 41 x 42 x 43 x 44 x 45 x 46 x 47 x 48 x 49 will be?

    • Options
    • A. 0
    • B. 1
    • C. 4
    • D. 5
    • Discuss
    • 5. 3, 7, 15, 27, 63, 127, 255

    • Options
    • A. 7
    • B. 15
    • C. 27
    • D. 63
    • E. 127
    • Discuss
    • 6. 
      The pair of numbers which are relatively prime to each other is

    • Options
    • A. (68, 85)
    • B. (65, 91)
    • C. (92, 85)
    • D. (102, 153)
    • Discuss
    • 7. 
      When 121012 is divided by 12, the remainder is

    • Options
    • A. 0
    • B. 2
    • C. 3
    • D. 4
    • Discuss
    • 8. 
      Find the sum of place and face values of 8 in 43836

    • Options
    • A. 88
    • B. 808
    • C. 880
    • D. 888
    • Discuss
    • 9. 
      Find the face value of 7 in 942756

    • Options
    • A. 7
    • B. 700
    • C. 7000
    • D. 70000
    • Discuss
    • 10. 
      Find the dividend when divisor is 13, quotient is 30 and remainder is 12

    • Options
    • A. 402
    • B. 436
    • C. 455
    • D. 543
    • Discuss


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