Quiz Discussion

What is the value of $\frac{{\sqrt {24} + \sqrt {216} }}{{\sqrt {96} }} = ?$

• 1]

  $2\sqrt 6$

• 2]

  $4\sqrt 6$

• 3]

  2

• 4]

  4

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]

  ${ \text{2}}\frac{3}{5}$

If $\left( {{a^4} + \frac{1}{{{a^4}}}} \right){ \text{ = 1154,}}$     then the value of $\left( {{a^3} + \frac{1}{{{a^3}}}} \right)$   is = ?

• 1] 198
• 2] 200
• 3] 216
• 4] None of these

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

One-third of Rahul's savings in National Savings Certificate is equal to one-half of his savings in Public Provident Fund. If he has Rs. 1,50,000 as total savings, how much has he saved in Public Provident Fund ?

• 1] Rs. 30,000
• 2] Rs. 50,000
• 3] Rs. 60,000
• 4] Rs. 90,000
• 5] None of these