# Quiz Discussion

$${ \text{If }}\left( {{n^r} - tn + \frac{1}{4}} \right)$$     be a perfect square, then the values of t are = ?

Course Name: Quantitative Aptitude

• 1] ± 2
• 2] 1, 2
• 3] 2, 3
• 4] ± 1
##### Solution
No Solution Present Yet

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# Quiz
1
Discuss

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

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

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

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

$$\frac{3}{7}{ \text{of }} 455 + \frac{5}{8}{ \text{of}}456 = ?$$

• 1] 448
• 2] 464
• 3] 476
• 4] 480
• 5] None of these
##### Solution
4
Discuss

3.325 + 3.012 + 0.660 + 31.151 + 0.251 = ?

• 1]

40.019

• 2]

35.055

• 3]

37.514

• 4]

38.399

##### Solution
5
Discuss

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

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

There are two examinations rooms A and B. If 10 students are sent from A to B, then the number of students in each room is the same. If 20 candidates are sent from B to A, then the number of students in A is double the number of students in B. The number of students in room A is:

• 1] 20
• 2] 80
• 3] 100
• 4] 200
• 5] None of these
##### Solution
7
Discuss

1 - [5 - {2 + (- 5 + 6 - 2) 2}] is equal to:

• 1] -4
• 2] 2
• 3] 0
• 4] 2
##### Solution
8
Discuss

On simplification the value of $${ \text{1}} - \frac{1}{{1 + \sqrt 2 }}{ \text{ + }} \frac{1}{{1 - \sqrt 2 }}$$  is = ?

• 1]

$$2\sqrt 2 - 1$$

• 2]

$$1 - 2\sqrt 2$$

• 3]

$$1 - \sqrt 2$$

• 4]

$$- 2\sqrt 2$$

##### Solution
9
Discuss

( √5 – 2)^2 = x – √80

• 1]

9

• 2]

7

• 3]

6

• 4]

10

##### Solution
10
Discuss

If a*b= ab/a+b, find the value of 3*(3*-1)

• 1]

-1

• 2]

1

• 3]

3

• 4]

-3

# Quiz