# Quiz Discussion

If $$\frac{{x + 1}}{{x - 1}}{ \text{ = }}\frac{a}{b}$$    and $$\frac{{1 - y}}{{1 + y}}{ \text{ = }}\frac{b}{a}{ \text{,}}$$ then the value of $$\frac{{x - y}}{{1 + xy}}$$   = ?

Course Name: Quantitative Aptitude

• 1]

$$\frac{{2ab}}{{{a^2} - {b^2}}}$$

• 2]

$$\frac{{{a^2} - {b^2}}}{{2ab}}$$

• 3]

$$\frac{{{a^2} + {b^2}}}{{2ab}}$$

• 4]

$$\frac{{{a^2} - {b^2}}}{{ab}}$$

##### Solution
No Solution Present Yet

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# Quiz
1
Discuss

If 37/13 =   where x,y,z are natural member , then find x+y+z are:-

• 1]

6

• 2]

7

• 3]

8

• 4]

9

##### Solution
2
Discuss

If $$\frac{p}{a} + \frac{q}{b} + \frac{r}{c} = 1$$     and $$\frac{a}{p} + \frac{b}{q} + \frac{c}{r} = 0$$     where a, b, c, p, q, r are non-zero real numbers, then $$\frac{{{p^2}}}{{{a^2}}} + \frac{{{q^2}}}{{{b^2}}} + \frac{{{r^2}}}{{{c^2}}}$$    is equal to = ?

• 1] 0
• 2] 1
• 3] 3
• 4] 9
##### Solution
3
Discuss

The value of $${ \text{3}}\frac{1}{2} - \left[ {2\frac{1}{4} \div \left\{ {1\frac{1}{4} - \frac{1}{2}\left( {1\frac{1}{2} - \frac{1}{3} - \frac{1}{6}} \right)} \right\}} \right]$$       = ?

• 1]

1/2

• 2]

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

• 3]

$$3\frac{1}{2}$$

• 4]

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

##### Solution
4
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
5
Discuss

The simplified value of

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

4848 / 24 * 11 - 222 = ?

• 1]

200

• 2]

2444

• 3]

2000

• 4]

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

##### Solution
7
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
8
Discuss

5 - [4 - {3 - (3 - 3 - 6)}] is equal to:

• 1] 10
• 2] 6
• 3] 4
• 4] 0
##### Solution
9
Discuss

Evaluate : $${{ - {{\left( {4 - 6} \right)}^2} - 3\left( { - 2} \right) + \left| { - 6} \right|} \over {18 - 9 \div 3 \times 5}}$$

• 1]

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

• 2]

$$\frac{4}{7}$$

• 3]

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

• 4]

$$\frac{7}{4}$$

##### Solution
10
Discuss

3.325 + 3.012 + 0.660 + 31.151 + 0.251 = ?

• 1]

40.019

• 2]

35.055

• 3]

37.514

• 4]

38.399

# Quiz