# Quiz Discussion

simplifies to:

Course Name: Quantitative Aptitude

• 1]

4/3

• 2]

1/2

• 3]

3/4

• 4]

5/3

##### Solution
No Solution Present Yet

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# Quiz
1
Discuss

$$9{x^2} + 25 - 30x$$    can be expressed as the square of = ?

• 1]

$$3{x^2} - 25$$

• 2]

3x + 5

• 3]

- 3x - 5

• 4]

3x - 5

##### Solution
2
Discuss

Given $$\sqrt 5 = 2.2361, \sqrt 3 = 1.7321{ \text{,}} then \frac{1}{{\sqrt 5 - \sqrt 3 }}$$   is equal to ?

• 1] 1.98
• 2] 1.984
• 3] 1.9841
• 4] 2
##### Solution
3
Discuss

By what least number 4320 be multiplied to obtain a number which is a perfect cube?

• 1]

35

• 2]

48

• 3]

50

• 4]

62

##### Solution
4
Discuss

What should come in place of both x in the equation $$\frac{x}{{\sqrt {128} }} = \frac{{\sqrt {162} }}{x}$$

• 1] 12
• 2] 14
• 3] 144
• 4] 196
##### Solution
5
Discuss

The value of $$\sqrt {0.000441}$$  is = ?

• 1] 0.00021
• 2] 0.0021
• 3] 0.021
• 4] 0.21
##### Solution
6
Discuss

Three fifth of the square of a certain number is 126.15, What is the number?

• 1]

210.25

• 2]

75.69

• 3]

14.5

• 4]

145

##### Solution
7
Discuss

$${\left[ {{{\left( {\sqrt {81} } \right)}^2}} \right]^2} = {\left( ? \right)^2}$$

• 1] 8
• 2] 9
• 3] 4096
• 4] 6561
• 5] None of these
##### Solution
8
Discuss

How many perfect squares lie between 120 and 300 ?

• 1] 5
• 2] 6
• 3] 7
• 4] 8
##### Solution
9
Discuss

The square root of 41209 is equal to = ?

• 1] 103
• 2] 203
• 3] 303
• 4] 403
##### Solution
10
Discuss

What is the smallest number by which 3600 be divided to make it a perfect cube ?

• 1] 9
• 2] 50
• 3] 300
• 4] 450
# Quiz