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  • Question
  • The sum of the digits of two-digit number is 14 and the difference between the two digits number is 2. What is the product of the two digits of the two-digit number?


  • Options
  • A. 56
  • B. 48
  • C. 45
  • D. None of the above

  • Correct Answer
  • 48 

    Explanation

    Let be the ten's digit be x and unit's digit be y.
    So the two digit number = 10x + y ( where x > y )
    According to question
    x + y = 14 ....(i)
    x - y = 2 ....(ii)

    Solving Eqs. (i) and (ii), we get
    x = 8 and y = 6
    ? Required product = 8 x 6 = 48


  • More questions

    • 1. 
      log √8 is equal to:
      log 8

    • Options
    • A.
      1
      √8
    • B.
      1
      4
    • C.
      1
      2
    • D.
      1
      8
    • Discuss
    • 2. 
      The value of 1 + 1 + 1 is:
      log3 60 log4 60 log5 60

    • Options
    • A. 0
    • B. 1
    • C. 5
    • D. 60
    • Discuss
    • 3. 
      .009 = .01
      ?

    • Options
    • A. .0009
    • B. .09
    • C. .9
    • D. 9
    • Discuss
    • 4. 
      Evaluate : (2.39)2 - (1.61)2
      2.39 - 1.61

    • Options
    • A. 2
    • B. 4
    • C. 6
    • D. 8
    • Discuss
    • 5. If 3√5 + √125 = 17.88, then what will be the value of √80 + 6√5?


    • Options
    • A. 13.41
    • B. 20.46
    • C. 21.66
    • D. 22.35
    • Discuss
    • 6. 
      The value of 0.1 x 0.1 x 0.1 + 0.02 x 0.02 x 0.02 is:
      0.2 x 0.2 x 0.2 + 0.04 x 0.04 x 0.04

    • Options
    • A. 0.0125
    • B. 0.125
    • C. 0.25
    • D. 0.5
    • Discuss
    • 7. 
      √3 - 1 2 simplifies to:
      √3

    • Options
    • A.
      3
      4
    • B.
      4
      √3
    • C.
      4
      3
    • D. None of these
    • Discuss
    • 8. 
      Which of the following fractions is greater than 3 and less than 5 ?
      4 6

    • Options
    • A.
      1
      2
    • B.
      2
      3
    • C.
      4
      5
    • D.
      9
      10
    • Discuss
    • 9. 
      What should come in place of both x in the equation x = √162 .
      √128 x

    • Options
    • A. 12
    • B. 14
    • C. 144
    • D. 196
    • Discuss
    • 10. 
      If (x/4) + (y/3) = 10/24 and (x/2) + y = 1, then the value of x + y is

    • Options
    • A. 1
    • B. 3/2
    • C. 2
    • D. 4
    • Discuss


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