# Quiz Discussion

If $$\frac{a}{b}{ \text{ + }}\frac{b}{a}{ \text{ = 2,}}$$    then the value of (a - b) is = ?

Course Name: Quantitative Aptitude

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

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# Quiz
1
Discuss

If x + y + z = 0, then x3 + y3 + z3 + 3xyz is equal to = ?

• 1] 0
• 2] 6xyz
• 3] 12xyz
• 4] xyz
##### Solution
2
Discuss

$$\sqrt {0.00060516}$$     is equal to = ?

• 1] 0.0246
• 2] 0.00246
• 3] 0.246
• 4] 0.000246
##### Solution
3
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
4
Discuss

If $$x = \sqrt 3 { \text{ + }}\sqrt 2 { \text{,}}$$ then the value of $${x^3} - \frac{1}{{{x^3}}}$$  is?

• 1]

$$10\sqrt 2$$

• 2]

$$14\sqrt 2$$

• 3]

$$22\sqrt 2$$

• 4]

$$8\sqrt 2$$

##### Solution
5
Discuss

A man has Rs. 480 in the denominations of one-rupee notes, five-rupee notes and ten-rupee notes. The number of notes of each denomination is equal. What is the total number of notes that he has ?

• 1] 45
• 2] 60
• 3] 75
• 4] 90
• 5] None of these
##### Solution
6
Discuss

$$\frac{{20 + 8 \times 0.5}}{{20 - ?}}{ \text{ = 12}}$$     Find the value in place of (?)

• 1] 2
• 2] 8
• 3] 18
• 4] None of these
##### Solution
7
Discuss

$$\frac{3}{2} \times \frac{{11}}{5} \div \left( {\frac{{25}}{{44}} \times \frac{{11}}{5}} \right) \div \frac{{33}}{{15}} = ?$$

• 1]

1/2

• 2]

2/3

• 3]

126/125

• 4]

$$5\frac{{101}}{{125}}$$

• 5]

None of these

##### Solution
8
Discuss

If $$\left( {a + \frac{1}{a}} \right) = 6, then \left( {{a^4} + \frac{1}{{{a^4}}}} \right)$$   = ?

• 1] 1154
• 2] 1158
• 3] 1160
• 4] 1164
##### Solution
9
Discuss

$$1888 \div 32 \div 8 = ?$$

• 1] 7.375
• 2] 9.485
• 3] 29.5
• 4] 472
• 5] None of these
##### Solution
10
Discuss

The value of $${ \text{5}}\frac{1}{3} \div 1\frac{2}{9} \times \frac{1}{4} \left( {10 + \frac{3}{{1 - \frac{1}{5}}}} \right)$$   = ?

• 1]

15

• 2]

67/25

• 3]

128/11

• 4]

128/99

# Quiz