Quiz Discussion

Determined the value of \(\frac{1}{{\sqrt 1 + \sqrt 2 }}{ \text{ + }}  \frac{1}{{\sqrt 2 + \sqrt 3 }} +   \frac{1}{{\sqrt 3 + \sqrt 4 }} +   ...... +   \frac{1}{{\sqrt {120} + \sqrt {121} }}{ \text{ = ?}}\)

 

Course Name: Quantitative Aptitude

  • 1]

    8

  • 2]

    10

  • 3]

    \(\sqrt {120} \)

  • 4]

    \(12\sqrt 2 \)

Solution
No Solution Present Yet

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# Quiz
1
Discuss

How many perfect squares lie between 120 and 300 ?

  • 1] 5
  • 2] 6
  • 3] 7
  • 4] 8
Solution
2
Discuss

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

 

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

Solved \( \root 4 \of {{{\left( {625} \right)}^3}} = ?\)

 

  • 1]

    \( \root 3 \of {1875} \)

  • 2]

    25

  • 3]

    125

  • 4]

    None of these

Solution
4
Discuss

The approximate value of \(\frac{{3\sqrt {12} }}{{2\sqrt {28} }} \div \frac{{2\sqrt {21} }}{{\sqrt {98} }}\)  is ?

 

  • 1] 1.0605
  • 2] 1.0727
  • 3] 1.6007
  • 4] 1.6026
Solution
5
Discuss

Which number should replace both the question marks in the following equation ?/1776=111/?

 

  • 1] 343
  • 2] 414
  • 3] 644
  • 4] 543
  • 5] None of these
Solution
6
Discuss

\({1.5^2} \times \sqrt {0.0225} = ?\)

 

  • 1] 0.0375
  • 2] 0.3375
  • 3] 3.275
  • 4] 32.75
Solution
7
Discuss

The least perfect square, which is divisible by each of 21, 36 and 66 is:

 

  • 1] 213444
  • 2] 214344
  • 3] 214434
  • 4] 231444
Solution
8
Discuss

If y = 5,   then what is the value of \(10y\sqrt {{y^3} - {y^2}} \)   = ?

 

  • 1]

    \(50\sqrt 2 \)

  • 2]

    100

  • 3]

    \(200\sqrt 5 \)

  • 4]

    500

Solution
9
Discuss

What is the least number to be added to 7700 to make it a perfect square ?

  • 1] 77
  • 2] 98
  • 3] 131
  • 4] 221
  • 5] None of these
Solution
10
Discuss

The value of \(\frac{{1 + \sqrt {0.01} }}{{1 - \sqrt {0.1} }}\)   is close to = ?

 

  • 1] 0.6
  • 2] 1.1
  • 3] 1.6
  • 4] 1.7
Solution
# Quiz