$\frac{3}{7}{ \text{of }} 455 + \frac{5}{8}{ \text{of}}456 = ?$

• 1] 448
• 2] 464
• 3] 476
• 4] 480
• 5] None of these

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

• 1]

  9/4

• 2]

  11/2

• 3]

  13/2

• 4]

  16

When $\left( {\frac{1}{2} - \frac{1}{4} + \frac{1}{5} - \frac{1}{6}} \right)$ is divided by $\left( {\frac{2}{5} - \frac{5}{9} + \frac{3}{5} - \frac{7}{{18}}} \right)$ then the result is = ?

• 1]

  ${ \text{5}}\frac{1}{{10}}$

• 2]

  ${ \text{2}}\frac{1}{{18}}$

• 3]

  ${ \text{3}}\frac{1}{6}$

• 4]

  ${ \text{3}}\frac{3}{{10}}$

The least number that must be subtracted from 63522 to make the result a perfect square is = ?

• 1] 18
• 2] 20
• 3] 24
• 4] 30

A sum of Rs. 1360 has been divided among A, B and C such that A gets 2/3 of what B gets and B gets 1/4 of what C gets. B's share is:

• 1] Rs. 120
• 2] Rs. 160
• 3] Rs. 240
• 4] Rs. 300
• 5] None of these