# 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

#### Top 5 Similar Quiz - Based On AI&ML

Quiz Recommendation System API Link - https://fresherbell-quiz-api.herokuapp.com/fresherbell_quiz_api

# Quiz
1
Discuss

$$\sqrt {\frac{{16}}{{25}}} \times \sqrt {\frac{?}{{25}}} \times \frac{{16}}{{25}} = \frac{{256}}{{625}}$$

• 1] 5
• 2] 8
• 3] 16
• 4] None of these
##### Solution
2
Discuss

What percentage of the numbers from 1 to 50 have squares that end in the digit 1 ?

• 1] 1%
• 2] 5%
• 3] 10%
• 4] 11%
• 5] 20%
##### Solution
3
Discuss

The value of $$\sqrt {0.01} { \text{ + }} \sqrt {0.81} { \text{ + }} \sqrt {1.21} { \text{ + }} \sqrt {0.0009}$$  is = ?

• 1] 2.03
• 2] 2.1
• 3] 2.11
• 4] 2.13
##### 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

If $$x = 3 + \sqrt 8 ,$$ then $${x^2} + \frac{1}{{{x^2}}}$$ is equal to = ?

• 1] 30
• 2] 34
• 3] 36
• 4] 38
##### Solution
6
Discuss

While solving a mathematical problem, Samidha squared a number and then subtracted 25 from it rather than the required i.e., first subtracting 25 from the number and then squaring it. But she got the right answer. What was the given number ?

• 1] 13
• 2] 38
• 3] 48
• 4] Cannot be determined
• 5] None of these
##### Solution
7
Discuss

R is a positive number. It is multiplied by 8 and then squared. The square is now divided by 4 and the square root is taken. The result of the square root is Q. What is the value of Q ?

• 1] 3R
• 2] 4R
• 3] 7R
• 4] 9R
##### Solution
8
Discuss

By what least number must 21600 be multiplied so as to make it perfect cube ?

• 1] 6
• 2] 10
• 3] 20
• 4] 30
##### Solution
9
Discuss

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

• 1]

5

• 2]

$$5\sqrt 2$$

• 3]

$$5\sqrt 5$$

• 4]

$$\sqrt 5$$

##### Solution
10
Discuss

$$\left( {\frac{{\sqrt {625} }}{{11}} \times \frac{{14}}{{\sqrt {25} }} \times \frac{{11}}{{\sqrt {196} }}} \right){\kern 1pt}$$     is equal to :

• 1] 5
• 2] 6
• 3] 8
• 4] 11
# Quiz