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  • Question
  • Find the value of log x + log (1/x)?


  • Options
  • A. 0
  • B. 1
  • C. - 1
  • D. 1/2

  • Correct Answer


  • Explanation

    Given expression = log x + log1/x
    = log x + log 1 - log x
    = log 1
    = 0


  • More questions

    • 1. 
      The total number of selections of fruit which can be made from 3 bananas, 4 apples and 2 oranges is?

    • Options
    • A. 39
    • B. 315
    • C. 512
    • D. None of these
    • Discuss
    • 2. 
      The total number of arrangements of the letters in the expression a 3b 2c 4 when written at full length is?

    • Options
    • A. 1260
    • B. 2520
    • C. 610
    • D. None of these
    • Discuss
    • 3. 
      If 35C n + 7 = 35C 4n - 2, then all the values of n are given by?

    • Options
    • A. 28
    • B. 3, 6
    • C. 3
    • D. 6
    • Discuss
    • 4. 
      If 2n + 1P n - 1 : 2n - 1P n = 3 : 5, then n is equal to?

    • Options
    • A. 4
    • B. 6
    • C. 3
    • D. 8
    • Discuss
    • 5. 
      If S= {2, 3, 4, 5, 7, 9} , then the number of different three-digit number (with all distinct digits) less than 400 that can be formed from S is?

    • Options
    • A. 20
    • B. 40
    • C. 80
    • D. 120
    • Discuss
    • 6. 
      From a group of 6 men and 4 women a committee of 4 persons is to be formed?

    • Options
    • A. 210
    • B. 225
    • C. 195
    • D. 185
    • Discuss
    • 7. 
      The numbers of straight lines can be formed out of 10 points of which 7 are collinear?

    • Options
    • A. 26
    • B. 21
    • C. 25
    • D. None of these
    • Discuss
    • 8. 
      Everybody in a room shakes hands with everybody else. The total number of hand shakes is 66. The total number of persons in the room is?

    • Options
    • A. 11
    • B. 12
    • C. 13
    • D. 14
    • Discuss
    • 9. 
      Letters of the word DIRECTOR are arranged in such a way that all the vowels come together. Find out the total no. of ways for making such arrangement.?

    • Options
    • A. 4320
    • B. 2720
    • C. 2160
    • D. 1120
    • Discuss
    • 10. 
      How many different letter arrangements can be made from the letter of the word RECOVER?

    • Options
    • A. 1210
    • B. 5040
    • C. 1260
    • D. 1200
    • Discuss


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