# Quiz Discussion

$$\left( {x + \frac{1}{x}} \right)\left( {x - \frac{1}{x}} \right)\left( {{x^2} + \frac{1}{{{x^2}}} - 1} \right)\left( {{x^2} + \frac{1}{{{x^2}}} + 1} \right)$$   is equal to ?

Course Name: Quantitative Aptitude

• 1]

$${x^6} - \frac{1}{{{x^6}}}$$

• 2]

$${x^8} - \frac{1}{{{x^8}}}$$

• 3]

$${x^6} + \frac{1}{{{x^6}}}$$

• 4]

$${x^8} + \frac{1}{{{x^8}}}$$

##### Solution
No Solution Present Yet

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# Quiz
1
Discuss

If $$\root 3 \of {{3^n}} { \text{ = 27,}}$$  then the value of n is = ?

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

The square root of $$\frac{{0.342 \times 0.684}}{{0.000342 \times 0.000171}} = ?$$

• 1] 250
• 2] 2500
• 3] 2000
• 4] 4000
##### Solution
3
Discuss

Find the value of $$\sqrt {248 + \sqrt {52 + \sqrt {144} } } = ?$$

• 1]

-16

• 2]

$$\pm 16$$

• 3]

16

• 4]

16.2

##### Solution
4
Discuss

If $$\left( {4{b^2} + \frac{1}{{{b^2}}}} \right){ \text{ = 2,}}$$    then $$\left( {8{b^3} + \frac{1}{{{b^3}}}} \right)$$   = ?

• 1] 0
• 2] 1
• 3] 2
• 4] 5
##### Solution
5
Discuss

If the sum of two numbers is 22 and the sum of their squares is 404, then the product of two numbers is = ?

• 1] 40
• 2] 44
• 3] 80
• 4] 88
##### Solution
6
Discuss

Find the value of $$\sqrt {4 + \sqrt {44 + \sqrt {10000} } }$$

• 1] 12
• 2] 8
• 3] 4
• 4] -4
##### Solution
7
Discuss

98643 – 21748 = 51212 + ?

• 1]

24383

• 2]

24713

• 3]

25683

• 4]

26243

##### Solution
8
Discuss

Given that ( 12 + 22 + 32 + .......... + 102 ) = 385, then the value of ( 22 + 32 + 42 + .......... + 202 ) is equal to = ?

• 1] 770
• 2] 1155
• 3] 1540
• 4] (385)2
##### Solution
9
Discuss

Eight people are planning to share equally the cost of a rental car. If one person withdraws from the arrangement and the others share equally the entire cost of the car, then the share of each of the remaining persons increased by:

• 1]

1/7

• 2]

1/8

• 3]

1/9

• 4]

7/8

• 5]

None of these

##### Solution
10
Discuss

In a regular week, there are 5 working days and for each day, the working hours are 8. A man gets Rs. 2.40 per hour for regular work and Rs. 3.20 per hours for overtime. If he earns Rs. 432 in 4 weeks, then how many hours does he work for ?

• 1] 160
• 2] 175
• 3] 180
• 4] 195
• 5] None of these
# Quiz