Quiz Discussion

Find the value of * in the following. \({ \text{1}}\frac{2}{3} \div \frac{2}{7} \times \frac{*}{7} = 1\frac{1}{4} \times \frac{2}{3} \div \frac{1}{6}\)

 

Course Name: Quantitative Aptitude

  • 1]

    0.006

  • 2]

    1/6

  • 3]

    0.6

  • 4]

    6

Solution
No Solution Present Yet

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# Quiz
1
Discuss

Free notebooks were distributed equally among children of a class. The number of notebooks each child got was one-eighth of the number of children. Had the number of children been half, each child would have got 16 notebooks. Total how many notebooks were distributed ?

  • 1] 256
  • 2] 432
  • 3] 512
  • 4] 640
  • 5] None of these
Solution
2
Discuss

Find the value of \(\sqrt {248 + \sqrt {52 + \sqrt {144} } } = ?\)

 

  • 1]

    -16

  • 2]

    \(\pm 16\)

  • 3]

    16

  • 4]

    16.2

Solution
3
Discuss

Given that ( 12 + 22 + 32 + .......... + 102 ) = 385, then the value of ( 22 + 32 + 42 + .......... + 202 ) is equal to = ?

  • 1] 770
  • 2] 1155
  • 3] 1540
  • 4] (385)2
Solution
4
Discuss

Simplify : \(\left[ {\left( {1 + \frac{1}{{10 + \frac{1}{{10}}}}} \right) \times \left( {1 + \frac{1}{{10 + \frac{1}{{10}}}}} \right) - \left( {1 - \frac{1}{{10 + \frac{1}{{10}}}}} \right) \times \left( {1 - \frac{1}{{10 + \frac{1}{{10}}}}} \right)} \right] \div \left[ {\left( {1 + \frac{1}{{10 + \frac{1}{{10}}}}} \right) + \left( {1 - \frac{1}{{10 + \frac{1}{{10}}}}} \right)} \right] = ?\)

 

  • 1]

    100/101

  • 2]

    90/101

  • 3]

    20/101

  • 4]

    101/100

Solution
5
Discuss

Simplify : \(\sqrt {3 + \frac{{33}}{{64}}} \div \sqrt {9 + \frac{1}{7}} \times  2\sqrt {3\frac{1}{9}}\)   = ?

 

  • 1]

    45/256

  • 2]

    \(1\frac{{17}}{{28}}\)

  • 3]

    \(4\frac{3}{8}\)

  • 4]

    \(2\frac{3}{{16}}\)

Solution
6
Discuss

The simplest value of \(\left( {\frac{1}{{\sqrt 9 - \sqrt 8 }} - \frac{1}{{\sqrt 8 - \sqrt 7 }} + \frac{1}{{\sqrt 7 - \sqrt 6 }} - \frac{1}{{\sqrt 6 - \sqrt 5 }}} \right)\)          is = ?

 

  • 1]

    \(3 - \sqrt 5 \)

  • 2]

    3

  • 3]

    \(\sqrt 5 \)

  • 4]

    \(\sqrt 5 - 3\)

Solution
7
Discuss

If the expression \({ \text{2}}\frac{1}{2}{ \text{ of }}\frac{3}{4} \times \frac{1}{2} \div \frac{3}{2} + \frac{1}{2} \div \frac{3}{2}\left[ {\frac{2}{3} - \frac{1}{2}{ \text{ of }}\frac{2}{3}} \right]\) is simplified, we get -

 

  • 1]

    1/2

  • 2]

    7/8

  • 3]

    \({ \text{1}}\frac{5}{8}\)

  • 4]

    \({ \text{2}}\frac{3}{5}\)

Solution
8
Discuss

The square root of \(\frac{{0.342 \times 0.684}}{{0.000342 \times 0.000171}} = ?\)

 

  • 1] 250
  • 2] 2500
  • 3] 2000
  • 4] 4000
Solution
9
Discuss

\(\left( {\frac{{785 \times 785 \times 785 + 435 \times 435 \times 435}}{{785 \times 785 + 435 \times 435 - 785 \times 435}}} \right)\)       simplifies to = ?

 

  • 1] 350
  • 2] 785
  • 3] 1220
  • 4] 1320
Solution
10
Discuss

\(\sqrt {\frac{{{{\left( {0.03} \right)}^2} + {{\left( {0.21} \right)}^2} + {{\left( {0.065} \right)}^2}}}{{{{\left( {0.003} \right)}^2} + {{\left( {0.021} \right)}^2} + {{\left( {0.0065} \right)}^2}}}}\)

 

  • 1] 0.1
  • 2] 10
  • 3] 102
  • 4] 103
Solution
# Quiz