Quiz Discussion

\({ \text{If }}\left( {{n^r} - tn + \frac{1}{4}} \right)\)     be a perfect square, then the values of t are = ?

 

Course Name: Quantitative Aptitude

  • 1] ± 2
  • 2] 1, 2
  • 3] 2, 3
  • 4] ± 1
Solution
No Solution Present Yet

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# Quiz
1
Discuss

Find the value of \(\sqrt {4 + \sqrt {44 + \sqrt {10000} } } \)

 

  • 1] 12
  • 2] 8
  • 3] 4
  • 4] -4
Solution
2
Discuss

If \(\left( {x + \frac{1}{x}} \right){ \text{ = 2,}}\)    then \(\left( {x - \frac{1}{x}} \right)\)   is equal to = ?

 

  • 1] 0
  • 2] 1
  • 3] 2
  • 4] 5
Solution
3
Discuss

\(\frac{3}{7}{ \text{of }} 455 + \frac{5}{8}{ \text{of}}456 = ?\)

 

  • 1] 448
  • 2] 464
  • 3] 476
  • 4] 480
  • 5] None of these
Solution
4
Discuss

3.325 + 3.012 + 0.660 + 31.151 + 0.251 = ?

  • 1]

    40.019

  • 2]

    35.055

  • 3]

    37.514

  • 4]

    38.399

Solution
5
Discuss

If \(\root 3 \of {{3^n}} { \text{ = 27,}}\)  then the value of n is = ?

 

  • 1] 9
  • 2] 6
  • 3] 1
  • 4] 3
Solution
6
Discuss

There are two examinations rooms A and B. If 10 students are sent from A to B, then the number of students in each room is the same. If 20 candidates are sent from B to A, then the number of students in A is double the number of students in B. The number of students in room A is:

  • 1] 20
  • 2] 80
  • 3] 100
  • 4] 200
  • 5] None of these
Solution
7
Discuss

1 - [5 - {2 + (- 5 + 6 - 2) 2}] is equal to:

  • 1] -4
  • 2] 2
  • 3] 0
  • 4] 2
Solution
8
Discuss

On simplification the value of \({ \text{1}} - \frac{1}{{1 + \sqrt 2 }}{ \text{ + }}  \frac{1}{{1 - \sqrt 2 }}\)  is = ?

 

  • 1]

    \(2\sqrt 2 - 1\)

  • 2]

    \(1 - 2\sqrt 2 \)

  • 3]

    \(1 - \sqrt 2 \)

  • 4]

    \( - 2\sqrt 2 \)

Solution
9
Discuss

( √5 – 2)^2 = x – √80

  • 1]

    9

  • 2]

    7

  • 3]

    6

  • 4]

    10

Solution
10
Discuss

If a*b= ab/a+b, find the value of 3*(3*-1)

  • 1]

    -1

  • 2]

    1

  • 3]

    3

  • 4]

    -3

Solution
# Quiz