Quiz Discussion

For what value of * the statement  = 1 is true?

Course Name: Quantitative Aptitude

• 1] 15
• 2] 25
• 3] 35
• 4] 45
Solution
No Solution Present Yet

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# Quiz
1
Discuss

If $$a = \frac{{\sqrt 5 + 1}}{{\sqrt 5 - 1}}$$ and $$b = \frac{{\sqrt 5 - 1}}{{\sqrt 5 + 1}},$$   the value of $$\left( {\frac{{{a^2} + ab + {b^2}}}{{{a^2} - ab + {b^2}}}} \right)$$   is ?

• 1]

3/4

• 2]

4/3

• 3]

3/5

• 4]

5/3

Solution
2
Discuss

The smallest natural number which is a perfect square and which ends in 3 identical digits lies between ?

• 1] 1000 and 2000
• 2] 2000 and 3000
• 3] 3000 and 4000
• 4] 4000 and 5000
Solution
3
Discuss

Given that $$\sqrt 3 = 1.732{ \text{,}}$$  the value of $$\frac{{3 + \sqrt 6 }}{{5\sqrt 3 - 2\sqrt {12} - \sqrt {32} + \sqrt {50} }}$$    is ?

• 1] 1.414
• 2] 1.732
• 3] 2.551
• 4] 4.899
Solution
4
Discuss

The value of $$\frac{{1 + \sqrt {0.01} }}{{1 - \sqrt {0.1} }}$$   is close to = ?

• 1] 0.6
• 2] 1.1
• 3] 1.6
• 4] 1.7
Solution
5
Discuss

While solving a mathematical problem, Samidha squared a number and then subtracted 25 from it rather than the required i.e., first subtracting 25 from the number and then squaring it. But she got the right answer. What was the given number ?

• 1] 13
• 2] 38
• 3] 48
• 4] Cannot be determined
• 5] None of these
Solution
6
Discuss

$$\root 3 \of {\sqrt {0.000064} } = ?$$

• 1] 0.02
• 2] 0.2
• 3] 2
• 4] None of these
Solution
7
Discuss

A man born in the first half of the nineteenth century was x years old in the year x2. He was born in ?

• 1] 1806
• 2] 1812
• 3] 1825
• 4] 1836
Solution
8
Discuss

The approximate value of $$\frac{{3\sqrt {12} }}{{2\sqrt {28} }} \div \frac{{2\sqrt {21} }}{{\sqrt {98} }}$$  is ?

• 1] 1.0605
• 2] 1.0727
• 3] 1.6007
• 4] 1.6026
Solution
9
Discuss

The square root of $${ \text{0}}{ \text{.}}\overline { \text{4}}$$  is ?

• 1]

$$0.\overline 6$$

• 2]

$$0.\overline 7$$

• 3]

$$0.\overline 8$$

• 4]

$$0.\overline 9$$

Solution
10
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

# Quiz