Quiz Discussion

\(9{x^2} + 25 - 30x\)    can be expressed as the square of = ?

 

Course Name: Quantitative Aptitude

  • 1]

    \(3{x^2} - 25\)

  • 2]

    3x + 5

  • 3]

     - 3x - 5

  • 4]

    3x - 5

Solution
No Solution Present Yet

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# Quiz
1
Discuss

If a = 0.1039, then the value of \(\sqrt {4{a^2} - 4a + 1} + 3a\)     is:

 

  • 1] 0.1039
  • 2] 0.2078
  • 3] 1.1039
  • 4] 2.1039
Solution
2
Discuss

\(\sqrt ? \times \sqrt {484} = 1034\)

 

  • 1] 2025
  • 2] 2209
  • 3] 2304
  • 4] 2401
  • 5] None of these
Solution
3
Discuss

The square root of 64009 is:

  • 1] 253
  • 2] 347
  • 3] 363
  • 4] 803
Solution
4
Discuss

If \(a = \frac{{\sqrt 3 }}{2}{ \text{}}\)   then \(\sqrt {1 + a} + \sqrt {1 - a} = ?\)

 

  • 1]

    \(\left( {2 - \sqrt 3 } \right)\)

  • 2]

    \(\left( {2 + \sqrt 3 } \right)\)

  • 3]

    \(\left( {\frac{{\sqrt 3 }}{2}} \right)\)

  • 4]

    \(\sqrt 3 \)

Solution
5
Discuss

The smallest natural number which is a perfect square and which ends in 3 identical digits lies between ?

  • 1] 1000 and 2000
  • 2] 2000 and 3000
  • 3] 3000 and 4000
  • 4] 4000 and 5000
Solution
6
Discuss

If \(a = \frac{{\sqrt 3 + \sqrt 2 }}{{\sqrt 3 - \sqrt 2 }},   b = \frac{{\sqrt 3 - \sqrt 2 }}{{\sqrt 3 + \sqrt 2 }}\)   then the value of \({a^2} + {b^2}\)   would be = ?

 

  • 1] 10
  • 2] 98
  • 3] 99
  • 4] 100
Solution
7
Discuss

\({\left[ {{{\left( {\sqrt {81} } \right)}^2}} \right]^2} = {\left( ? \right)^2}\)

 

  • 1] 8
  • 2] 9
  • 3] 4096
  • 4] 6561
  • 5] None of these
Solution
8
Discuss

One-fourth of the sum of prime numbers, greater than 4 but less than 16, is the square of = ?

  • 1] 3
  • 2] 4
  • 3] 5
  • 4] 7
Solution
9
Discuss

What is the smallest number by which 3600 be divided to make it a perfect cube ?

  • 1] 9
  • 2] 50
  • 3] 300
  • 4] 450
Solution
10
Discuss

By what least number must 21600 be multiplied so as to make it perfect cube ?

  • 1] 6
  • 2] 10
  • 3] 20
  • 4] 30
Solution
# Quiz