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Quiz Discussion

What number must be added to the expression 16a2 - 12a to make a perfect square ?

Course Name: Quantitative Aptitude

1]
9/4
2]
11/2
3]
13/2
4]
16

Solution

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#	Quiz
1 Discuss	If the sum of two numbers is 22 and the sum of their squares is 404, then the product of two numbers is = ? 1] 40 2] 44 3] 80 4] 88 Solution
10 Discuss	Simplify : $\left[ {\left( {1 + \frac{1}{{10 + \frac{1}{{10}}}}} \right) \times \left( {1 + \frac{1}{{10 + \frac{1}{{10}}}}} \right) - \left( {1 - \frac{1}{{10 + \frac{1}{{10}}}}} \right) \times \left( {1 - \frac{1}{{10 + \frac{1}{{10}}}}} \right)} \right] \div \left[ {\left( {1 + \frac{1}{{10 + \frac{1}{{10}}}}} \right) + \left( {1 - \frac{1}{{10 + \frac{1}{{10}}}}} \right)} \right] = ?$ 1] 100/101 2] 90/101 3] 20/101 4] 101/100 Solution
2 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
3 Discuss	The difference of ${ \text{1}}\frac{3}{{16}}$ and its reciprocal is equal to = ? 1] $1\frac{1}{8}$ 2] 4/3 3] 15/16 4] None of these Solution
4 Discuss	What is $\frac{{\frac{7}{8} \times \frac{7}{8} + \frac{5}{6} \times \frac{5}{6} + \frac{7}{8} \times \frac{5}{3}}}{{\frac{7}{8} \times \frac{7}{8} - \frac{5}{6} \times \frac{5}{6}}}$ equal to ? 1] 41/24 2] 1/24 3] 41 4] None of these Solution
5 Discuss	853 + ? / 17 = 1000 1] 2482 2] 2499 3] 2516 4] 16147 5] None of these Solution
6 Discuss	Simplify : $\sqrt {3 + \frac{{33}}{{64}}} \div \sqrt {9 + \frac{1}{7}} \times 2\sqrt {3\frac{1}{9}}$ = ? 1] 45/256 2] $1\frac{{17}}{{28}}$ 3] $4\frac{3}{8}$ 4] $2\frac{3}{{16}}$ Solution
7 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
8 Discuss	If x = a + m, y = b + m, z = c + m, then the value of $\frac{{{x^2} + {y^2} + {z^2} - yz - zx - xy}}{{{a^2} + {b^2} + {c^2} - ab - bc - ca}}$ is = ? 1] 1 2] $\frac{{x + y + z}}{{a + b + c}}$ 3] $\frac{{a + b + c}}{{x + y + z}}$ 4] Not possible to find Solution
9 Discuss	If the expression ${ \text{2}}\frac{1}{2}{ \text{ of }}\frac{3}{4} \times \frac{1}{2} \div \frac{3}{2} + \frac{1}{2} \div \frac{3}{2}\left[ {\frac{2}{3} - \frac{1}{2}{ \text{ of }}\frac{2}{3}} \right]$ is simplified, we get - 1] 1/2 2] 7/8 3] ${ \text{1}}\frac{5}{8}$ 4] ${ \text{2}}\frac{3}{5}$ Solution
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