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  • Question
  • If a, b, c be the pth, qth and rth terms of a GP then the value of (q-r) log a + (r-p) log b + (p-q) log c is :


  • Options
  • A. 0
  • B. 1
  • C. -1
  • D. pqr

  • Correct Answer


  • Explanation

     

     

                                 

                                 


  • Logarithm problems


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    • 1. The number of solutions of the equation logx2x2+40log4xx-14log16xx3=0 is:

    • Options
    • A. 0
    • B. 1
    • C. 2
    • D. 3
    • Discuss
    • 2. The value of log2log5625 is :

    • Options
    • A. 2
    • B. 5
    • C. 10
    • D. 15
    • Discuss
    • 3. The value of x satisfying the following relation: log12x = log23x-2

    • Options
    • A. 1/3
    • B. -1/3
    • C. 3
    • D. None of these
    • Discuss
    • 4. Find x if log1218 = log24x + 1. log24x+1 + 4

    • Options
    • A. 0
    • B. 1
    • C. 2
    • D. None of these
    • Discuss
    • 5. If log330 = 1a and log530=1b then the value of 3log302 is:

    • Options
    • A. 3(1+a+b)
    • B. 2(1-a-b)
    • C. 3(1-a-b)
    • D. 3(1+a-b)
    • Discuss
    • 6. The value of log3437 is:

    • Options
    • A. 1/3
    • B. -3
    • C. -1/3
    • D. 3
    • Discuss
    • 7. If 5x - 17 = -x + 7, then x = ?

    • Options
    • A. 4
    • B. 5
    • C. 7
    • D. 9
    • Discuss
    • 8. If A = log321875 and B = log2432187 , then which one of the following is correct?

    • Options
    • A. A
    • B. A=B
    • C. A>B
    • D. can't be determined
    • Discuss
    • 9. (51+ 52 + 53 + ... + 100) =?

    • Options
    • A. 2525
    • B. 2975
    • C. 3225
    • D. 3775
    • Discuss
    • 10. The difference between the place value and the face value of 7 in the numeral 967452 is

    • Options
    • A. 6393
    • B. 5831
    • C. 6993
    • D. 6339
    • Discuss


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