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02-LOGARITHMS., SURDS-(E)-ASSIGNMENT

02-LOGARITHMS., SURDS-(E)-ASSIGNMENT

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(a)                             (b)                                   (c)                              (d)   None of these

  1. The value of is         

(a)   –2                              (b)                                    (c)   2                                   (d)   None of these

  1. The value of is [IIIT Allahabad 2000]

(a)   1                                (b)   2                                         (c)   3                                   (d)   4

(a)                         (b)                              (c)                        (d)   None of these

  1. The value of is equal to               

(a)   49                              (b)   625                                      (c)   216                                 (d)   890

  1. is equal to [EAMCET 1990]

(a)   0                                (b)   1                                         (c)                                (d)

  1. If and then is equal to

(a)                          (b)                                   (c)                             (d)

  1. If then x is equal to                 

(a)   k                                (b)                                         (c)   5                                   (d)   None of these

  1. If then x is equal to

(a)   125                              (b)                                         (c)   25                                 (d)   None of these

  1. If then is

(a)      (b)                  (c)       (d)

  1. If then A is equal to [WB JEE 1992]

(a)   2                                (b)   3                                         (c)   5                                   (d)   7

  1. If then is equal to

       (a)                                (b)                                        (c)                                  (d)

  1. If then which of the following is equal to 1

(a)                        (b)        (c)                                 (d)   None of these

  1. If and then 1+abc is equal to [SCRA 2000]

(a)                              (b)                                       (c)                                 (d)   0

  1. If then value of xyz is

(a)   0                                (b)   1                                         (c)   2                                   (d)   3

  1. If then

(a)                   (b)                              (c)                     (d)   None of these

  1. is                        [MNR 1994; Roorkee 1994; MP PET 2000]    

(a)                                (b)   ln                                 (c)   ln                           (d)

  1. If the number of digits inis

(a)   7                                (b)   8                                         (c)   9                                   (d)   10

(a)   3                                (b)   1                                         (c)   2                                   (d)   0

(a)                 (b)                          (c)                 (d)   None of these

  1. Which of the following is not true [UPSEAT 2000]

(a)     (b)          (c)            (d)

  1. The solution of the equation                                                                           [UPSEAT 2000 (S.E.)]

(a)                            (b)                                     (c)                               (d)

 

 

  1. 18 is

(a)   A rational number            (b)   An irrational number                 (c)   A prime number                 (d)   None of these

  1. The value of is

(a)   81                               (b)                                        (c)   20                                 (d)

  1. If a, b, c are distinct positive numbers, each different from 1, such that

then abc =

(a)   1                                (b)   2                                         (c)   3                                   (d)   None of these

  1. If then [EAMCET 1990]

(a)                         (b)                                  (c)                            (d)   None of these

  1. If , then the value of expression is equal to

(a)   –1                               (b)   0                                         (c)   1                                   (d)   2

  1. If then which of the following is true          

(a)                         (b)                              (c)                 (d)

  1. If then the value ofis equal to

(a)   0                                (b)   1                                         (c)   2                                   (d)   None of these

  1. The number of solution of is

(a)   2                                (b)   0                                         (c)   3                                   (d)   None of these

  1. The number of real values of the parameter k for which with real coefficients will have exactly one solution is                                   

(a)   2                                (b)   1                                         (c)   4                                   (d)   None of these

  1. If then x has                                

(a)   One positive integral value        (b)                                       One irrational value

(c)   Two positive rational values       (d)                                       None of these

 

 

 

 

 

  1. If and then

(a)                            (b)                                     (c)                               (d)   None of these

  1. The number lies in

(a)                         (b)                                   (c)                            (d)

  1. If then x be

(a)   2                                (b)   3                                         (c)   3.5                                 (d)

  1. If then the number of values of x which are integral multiples of is

(a)   4                                (b)   12                                        (c)   3                                   (d)   None of these

  1. The set of real values of x satisfying is

(a)                          (b)                                      (c)                              (d)   None of these

  1. The set of real values of x for which is

(a)             (b)                                    (c)                              (d)   None of these

 

 

  1. Solution set of inequality is

(a)                     (b)                                (c)       (d)   None of these

  1. If …….

(a)   The maximum value of x is                                          (b)   lies between and

      (c)                              x does not lie between and (d)   The minimum value of x is

  1. If then x belongs to the interval

(a)                            (b)                                   (c)                             (d)   None of these

  1. The set of real values of x for which is

(a)          (b)                                 (c)                (d)   None of these

 

 

 

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