Quiz Discussion

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

 

Course Name: Quantitative Aptitude

  • 1]

    \(3\sqrt {29} \)

  • 2]

    81

  • 3]

    87

  • 4]

    None of these

Solution
No Solution Present Yet

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# Quiz
1
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
2
Discuss

If \(\sqrt 5 = 2.236, \)   then the value of \(\frac{{\sqrt 5 }}{2} - \frac{{10}}{{\sqrt 5 }} + \sqrt {125} \)   is equal to :

 

  • 1] 5.59
  • 2] 7.826
  • 3] 8.944
  • 4] 10.062
Solution
3
Discuss

Find the cube root of 2744.

  • 1]

    14

  • 2]

    13

  • 3]

    12

  • 4]

    11

Solution
4
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
5
Discuss

The square root of 64009 is:

  • 1] 253
  • 2] 347
  • 3] 363
  • 4] 803
Solution
6
Discuss

The number of perfect square numbers between 50 and 1000 is = ?

  • 1] 21
  • 2] 22
  • 3] 23
  • 4] 24
Solution
7
Discuss

\( \root 3 \of {\sqrt {0.000064} } = ?\)

 

  • 1] 0.02
  • 2] 0.2
  • 3] 2
  • 4] None of these
Solution
8
Discuss

While solving a mathematical problem, Samidha squared a number and then subtracted 25 from it rather than the required i.e., first subtracting 25 from the number and then squaring it. But she got the right answer. What was the given number ?

  • 1] 13
  • 2] 38
  • 3] 48
  • 4] Cannot be determined
  • 5] None of these
Solution
9
Discuss

The square root of \(\frac{{{{\left( {0.75} \right)}^3}}}{{1 - 0.75}} { \text{ + }}\left[ {0.75 + {{\left( {0.75} \right)}^2} + 1} \right]\)    is = ?

 

  • 1] 1
  • 2] 2
  • 3] 3
  • 4] 4
Solution
10
Discuss

The least perfect square number divisible by 3, 4, 5, 6 and 8 is = ?

  • 1] 900
  • 2] 1200
  • 3] 2500
  • 4] 3600
Solution
# Quiz