# Quiz Discussion

If $$\left( {x + \frac{1}{x}} \right){ \text{ = 2,}}$$    then $$\left( {x - \frac{1}{x}} \right)$$   is equal to = ?

Course Name: Quantitative Aptitude

• 1] 0
• 2] 1
• 3] 2
• 4] 5
##### Solution
No Solution Present Yet

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# Quiz
1
Discuss

(4 / 5) × ? × (3 / 7) = (16 / 105)

• 1]

8/9

• 2]

5/7

• 3]

4/9

• 4]

3/7

##### Solution
2
Discuss

If $$\left( {{a^4} + \frac{1}{{{a^4}}}} \right){ \text{ = 1154,}}$$     then the value of $$\left( {{a^3} + \frac{1}{{{a^3}}}} \right)$$   is = ?

• 1] 198
• 2] 200
• 3] 216
• 4] None of these
##### Solution
3
Discuss

4848 / 24 * 11 - 222 = ?

• 1]

200

• 2]

2444

• 3]

2000

• 4]

$$115\frac{3}{8}$$

##### Solution
4
Discuss

$${ \text{If }}\left[ {4 - \frac{5}{{1 + \frac{1}{{3 + \frac{1}{{2 + \frac{1}{4}}}}}}}} \right]$$  $$x = {-b \pm \sqrt{b^2-4ac} \over 2a}$$

• 1] 40 minutes
• 2] 45 minutes
• 3] 48 minutes
• 4] 36 minutes
##### Solution
5
Discuss

(755.0% of 523.0) / 777.0 = x

• 1]

6

• 2]

4

• 3]

3

• 4]

5

##### Solution
6
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
7
Discuss

Simplify : $${ \text{8}}\frac{1}{2} - \left[ {3\frac{1}{4} + \left\{ {1\frac{1}{4} - \frac{1}{2}\left( {1\frac{1}{2} - \frac{1}{3} - \frac{1}{6}} \right)} \right\}} \right]$$

• 1]

$$4\frac{1}{2}$$

• 2]

$$4\frac{1}{6}$$

• 3]

$$9\frac{1}{2}$$

• 4]

$$\frac{2}{9}$$

##### Solution
8
Discuss

Number of digits in the square root of 62478078 is = ?

• 1] 4
• 2] 5
• 3] 6
• 4] 3
##### Solution
9
Discuss

Evaluated : $${{9\left| {3 - 5} \right| - 5\left| 4 \right| \div 10} \over { - 3\left( 5 \right) - 2 \times 4 \div 2}}$$

• 1]

9/10

• 2]

-8/17

• 3]

-16/19

• 4]

4/7

##### Solution
10
Discuss

Let a = (4 ÷ 3) ÷ 3 ÷ 4, b = 4 ÷ (3 ÷ 3) ÷ 4, c = 4 ÷ 3 ÷ (3 ÷ 4), The maximum value among the above three is?

• 1] a
• 2] b
• 3] c
• 4] All equal
# Quiz