Quiz Discussion

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

The cost of 5 pendants and 8 chains is Rs. 145785. What would be the cost of 15 pendants and 24 chains ?

• 1] Rs. 325285
• 2] Rs. 439355
• 3] Rs. 550000
• 4] Cannot be determined
• 5] None of these

Let 0 < x < 1, then the correct inequality is = ?

• 1]

  $x < \sqrt x < {x^2}$

• 2]

  $\sqrt x < x < {x^2}$

• 3]

  ${x^2} < x < \sqrt x$

• 4]

  $\sqrt x < {x^2} < x$

If $\frac{a}{b}{ \text{ + }}\frac{b}{a}{ \text{ = 2,}}$    then the value of (a - b) is = ?

• 1] 1
• 2] 2
• 3] -1
• 4] 0

5907 – 1296 / 144 = x * 8.0

• 1]

  700.05

• 2]

  705.25

• 3]

  751.54

• 4]

  737.25