Quiz Discussion

The square root of \(\left( {7 + 3\sqrt 5 } \right)  \left( {7 - 3\sqrt 5 } \right)\)   is

 

Course Name: Quantitative Aptitude

  • 1]

    \(\sqrt 5 \)

  • 2]

    2

  • 3]

    4

  • 4]

    \(3\sqrt 5 \)

Solution
No Solution Present Yet

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# Quiz
1
Discuss

The square root of (2722−1282) is

  • 1]

    144

  • 2]

    200

  • 3]

    240

  • 4]

    256

Solution
2
Discuss

\(1728 \div \root 3 \of {262144} \times ? - 288\)      = 4491

 

  • 1] 148
  • 2] 156
  • 3] 173
  • 4] 177
Solution
3
Discuss

If \(3a = 4b = 6c   \)  and \(a + b + c = 27\sqrt {29} { \text{,}}   \) then\( \sqrt {{a^2} + {b^2} + {c^2}} \)is ?

 

  • 1]

    \(3\sqrt {29} \)

  • 2]

    81

  • 3]

    87

  • 4]

    None of these

Solution
4
Discuss

If \(\sqrt 5 = 2.236{ \text{,}}\)   then the value of \(\frac{1}{{\sqrt 5 }} \) is = ?

 

  • 1] 0.367
  • 2] 0.447
  • 3] 0.745
  • 4] None of these
Solution
5
Discuss

\(\sqrt {\sqrt {17956} + \sqrt {24025} } = ?\)

 

  • 1] 19
  • 2] 155
  • 3] 256
  • 4] 289
  • 5] None of these
Solution
6
Discuss

\(\sqrt {0.2} = ?\)

 

  • 1] 0.02
  • 2] 0.2
  • 3] 0.447
  • 4] 0.632
Solution
7
Discuss

\(\sqrt {\frac{{16}}{{25}}} \times \sqrt {\frac{?}{{25}}} \times \frac{{16}}{{25}} = \frac{{256}}{{625}}\)

 

  • 1] 5
  • 2] 8
  • 3] 16
  • 4] None of these
Solution
8
Discuss

Three fifth of the square of a certain number is 126.15, What is the number?

  • 1]

    210.25

  • 2]

    75.69

  • 3]

    14.5

  • 4]

    145

Solution
9
Discuss

1250 oranges were distributed among a group of girls of a class. Each girl got twice as many oranges as the number of girls in that group. The number of girls in the group was = ?

  • 1] 25
  • 2] 45
  • 3] 50
  • 4] 100
Solution
10
Discuss

Find the square root of 3 upto three decimal places

  • 1]

    1.732

  • 2]

    2.732

  • 3]

    1.222

  • 4]

    1.414

Solution
# Quiz