# Quiz Discussion

$${\left( {15} \right)^2} + {\left( {18} \right)^2} - 20 = \sqrt ?$$

Course Name: Quantitative Aptitude

• 1] 22
• 2] 23
• 3] 529
• 4] 279841
• 5] None of these
##### Solution
No Solution Present Yet

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# Quiz
1
Discuss

The value of     is ?

• 1]

0.1

• 2]

10

• 3]

$${10^2}$$

• 4]

$${10^3}$$

##### Solution
2
Discuss

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

• 1]

8

• 2]

10

• 3]

$$\sqrt {120}$$

• 4]

$$12\sqrt 2$$

3
Discuss

=

• 1]

232

• 2]

123

• 3]

432

• 4]

543

##### Solution
4
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
5
Discuss

A man born in the first half of the nineteenth century was x years old in the year x2. He was born in ?

• 1] 1806
• 2] 1812
• 3] 1825
• 4] 1836
##### Solution
6
Discuss

The least number of 4 digits which is a perfect square is = ?

• 1] 1000
• 2] 1016
• 3] 1024
• 4] 1036
##### Solution
7
Discuss

Given $$\sqrt 2 = 1.414.$$   Then the value of $$\sqrt 8$$  + $$2\sqrt {32}$$  -  $$3\sqrt {128}$$  + $$4\sqrt {50}$$   is = ?

• 1] 8.426
• 2] 8.484
• 3] 8.526
• 4] 8.876
##### 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

$$\sqrt {\sqrt {17956} + \sqrt {24025} } = ?$$

• 1] 19
• 2] 155
• 3] 256
• 4] 289
• 5] None of these
##### Solution
10
Discuss

If $$\sqrt 6 = 2.449{ \text{,}}$$   then the value of $$\frac{{3\sqrt 2 }}{{2\sqrt 3 }}$$   is = ?

• 1] 0.6122
• 2] 0.8163
• 3] 1.223
• 4] 1.2245
# Quiz