# Quiz Discussion

What is $$\frac{{5 + \sqrt {10} }}{{5\sqrt 5 - 2\sqrt {20} - \sqrt {32} + \sqrt {50} }}$$      equal to ?

Course Name: Quantitative Aptitude

• 1]

5

• 2]

$$5\sqrt 2$$

• 3]

$$5\sqrt 5$$

• 4]

$$\sqrt 5$$

##### Solution
No Solution Present Yet

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# Quiz
1
Discuss

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

• 1]

$$3{x^2} - 25$$

• 2]

3x + 5

• 3]

- 3x - 5

• 4]

3x - 5

##### Solution
2
Discuss

What is the least number which should be subtracted 0.000326 in order to make it a perfect square = ?

• 1] 0.000002
• 2] 0.000004
• 3] 0.02
• 4] 0.04
##### Solution
3
Discuss

What should come in place of both the question marks in the equation x/√128 = √162/x ?

• 1] 12
• 2] 14
• 3] 144
• 4] 196
##### Solution
4
Discuss

If $$\sqrt {33} = 5.745{ \text{}}$$   then which of the following values is approximately $$\sqrt {\frac{3}{{11}}} { \text{ ?}}$$

• 1] 1
• 2] 6.32
• 3] 0.5223
• 4] 2.035
##### Solution
5
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
6
Discuss

$$\sqrt {0.0169 \times ?} = 1.3$$

• 1] 10
• 2] 100
• 3] 1000
• 4] None of these
##### Solution
7
Discuss

The square root of (2722−1282) is

• 1]

144

• 2]

200

• 3]

240

• 4]

256

##### Solution
8
Discuss

Find the square root of 3 upto three decimal places

• 1]

1.732

• 2]

2.732

• 3]

1.222

• 4]

1.414

##### Solution
9
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
10
Discuss

How many perfect squares lie between 120 and 300 ?

• 1] 5
• 2] 6
• 3] 7
• 4] 8
# Quiz