Practice Question and Answer

Q:

$$x+{1\over x}=2$$ and x is real, then the value of $$x^{17}+{1\over x^{19}}$$ is

684 0

  • 1
    1
    Correct
    Wrong
  • 2
    0
    Correct
    Wrong
  • 3
    2
    Correct
    Wrong
  • 4
    -2
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 3. "2"

Q:

If x = 19 and y = 18, then the value of   $$ {{x^2}+{y^2}+{xy}}\over x^3-y3 $$ is

630 0

  • 1
    1
    Correct
    Wrong
  • 2
    37
    Correct
    Wrong
  • 3
    324
    Correct
    Wrong
  • 4
    361
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 1. "1 "

Q:

Arrange the following words according to dictionary arrangement. 

1.LEAF 

 2.LEARNED   

3.LEAVED  

4.LEAK  

5.LEADEN

750 0

  • 1
    5,1,4,2,3
    Correct
    Wrong
  • 2
    5,1,4,3,2
    Correct
    Wrong
  • 3
    3,5,1,4,2
    Correct
    Wrong
  • 4
    1,4,2,3,5
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 1. "5,1,4,2,3 "

Q:

Arrange the following words according to dictionary arrangement. 

1. Rank   

2. Rain  

3. Rare    

4. Rackle   

5. Ravish
779 0

  • 1
    1, 3, 4, 5, 2
    Correct
    Wrong
  • 2
    1, 5, 3, 4, 2
    Correct
    Wrong
  • 3
    2, 5, 3, 1, 4
    Correct
    Wrong
  • 4
    4, 2, 1, 3, 5
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 4. "4, 2, 1, 3, 5"

Q:

If p – 2q = 4, then the value of p3 – 8q3 – 24pq – 64 is :

734 0

  • 1
    2
    Correct
    Wrong
  • 2
    0
    Correct
    Wrong
  • 3
    3
    Correct
    Wrong
  • 4
    –1
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 2. "0"

Q:

If p = 124, $$3\sqrt{p(p^2-3p+3)-1}=?$$

753 0

  • 1
    5
    Correct
    Wrong
  • 2
    7
    Correct
    Wrong
  • 3
    123
    Correct
    Wrong
  • 4
    125
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 4. "125"

Q:

Arrange the following words according to dictionary arrangement.

 1. Hecto      

2. Centi     

3. Deca      

4. kilo     

5.Deci

801 0

  • 1
    1, 3, 4, 5, 2
    Correct
    Wrong
  • 2
    1, 5, 3, 4, 2
    Correct
    Wrong
  • 3
    2, 5, 3, 1, 4
    Correct
    Wrong
  • 4
    5, 1, 4, 2, 3
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 3. "2, 5, 3, 1, 4"

Q:

If p = 101, then the value of   $$3\sqrt{p(p^2-3p+3)}$$ is

766 0

  • 1
    100
    Correct
    Wrong
  • 2
    101
    Correct
    Wrong
  • 3
    102
    Correct
    Wrong
  • 4
    1000
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 1. "100 "

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully