# 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

If $$x = \frac{{\sqrt 3 + 1}}{{\sqrt 3 - 1}}$$  $$y = \frac{{\sqrt 3 - 1}}{{\sqrt 3 + 1}}$$and then the value of $$\left( {{x^2} + {y^2}} \right)$$   is?

• 1] 10
• 2] 13
• 3] 14
• 4] 15
##### Solution
2
Discuss

The square root of (2722−1282) is

• 1]

144

• 2]

200

• 3]

240

• 4]

256

##### Solution
3
Discuss

The digit in the unit's place in the square root of 15876 is = ?

• 1] 2
• 2] 4
• 3] 6
• 4] 8
##### Solution
4
Discuss

If 1537* is a perfect square, then the digit which replace * is = ?

• 1] 2
• 2] 4
• 3] 5
• 4] 6
##### Solution
5
Discuss

If $${ \text{ }}2*3 = \sqrt {13}$$   and 3 * 4 = 5, then the value of 5 * 12 is ?

• 1]

$$\sqrt {17}$$

• 2]

$$\sqrt {29}$$

• 3]

12

• 4]

13

##### Solution
6
Discuss

$$\sqrt {0.2} = ?$$

• 1] 0.02
• 2] 0.2
• 3] 0.447
• 4] 0.632
##### Solution
7
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
8
Discuss

The square root of $${ \text{0}}{ \text{.}}\overline { \text{4}}$$  is ?

• 1]

$$0.\overline 6$$

• 2]

$$0.\overline 7$$

• 3]

$$0.\overline 8$$

• 4]

$$0.\overline 9$$

##### Solution
9
Discuss

The value of $$\sqrt {0.121}$$   is = ?

• 1] 0.011
• 2] 0.11
• 3] 0.347
• 4] 1.1
##### Solution
10
Discuss

Square root of 64009 is

• 1]

253

• 2]

347

• 3]

363

• 4]

803

# Quiz