Quiz Discussion

If $\frac{1}{3} + \frac{1}{2} + \frac{1}{x}{ \text{ = 4}}$     then x = ?

• 1]

  5/16

• 2]

  6/19

• 3]

  18/5

• 4]

  24/11

The price of 2 sarees and 4 shirts is Rs. 1600. With the same money one can buy 1 saree and 6 shirts. If one wants to buy 12 shirts, how much shall he have to pay ?

• 1] Rs. 1200
• 2] Rs. 2400
• 3] Rs. 4800
• 4] Cannot be determined
• 5] None of these

1559.95 - 7.99 × 24.96 - ?2 = 1154

• 1] 14
• 2] 24
• 3] 32
• 4] 18
• 5] 8

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]

  $- 2\sqrt 2$

Simplify : ${ \text{10}}\frac{1}{8}{ \text{ of }}\frac{{12}}{{15}} \div \frac{{35}}{{36}}{ \text{ of }}\frac{{20}}{{49}}$

• 1]

  $17\frac{5}{{12}}$

• 2]

  $17\frac{8}{{17}}$

• 3]

  $20\frac{3}{{25}}$

• 4]

  $20\frac{{103}}{{250}}$