Quiz Discussion

\({1.5^2} \times \sqrt {0.0225} = ?\)

• 1] 0.0375
• 2] 0.3375
• 3] 3.275
• 4] 32.75

The square root of \({ \text{0}}{ \text{.}}\overline { \text{4}} \)  is ?

• 1]

  \(0.\overline 6 \)

• 2]

  \(0.\overline 7 \)

• 3]

  \(0.\overline 8 \)

• 4]

  \(0.\overline 9 \)

  simplifies to:

• 1]

  4/3

• 2]

  1/2

• 3]

  3/4

• 4]

  5/3

The cube root of .000216 is:

• 1] .6
• 2] .06
• 3] 77
• 4] 87

What should come in place of both x in the equation \(\frac{x}{{\sqrt {128} }} = \frac{{\sqrt {162} }}{x}\)

• 1] 12
• 2] 14
• 3] 144
• 4] 196

What percentage of the numbers from 1 to 50 have squares that end in the digit 1 ?

• 1] 1%
• 2] 5%
• 3] 10%
• 4] 11%
• 5] 20%

The square root of 123454321 is = ?

• 1] 111111
• 2] 12341
• 3] 11111
• 4] 11211

If \(\sqrt 5 = 2.236{ \text{,}}\)   then the value of \(\frac{1}{{\sqrt 5 }} \) is = ?

• 1] 0.367
• 2] 0.447
• 3] 0.745
• 4] None of these

The value of \(\sqrt {0.01} { \text{ + }} \sqrt {0.81} { \text{ + }} \sqrt {1.21} { \text{ + }} \sqrt {0.0009} \)  is = ?

• 1] 2.03
• 2] 2.1
• 3] 2.11
• 4] 2.13

The square root of (272²−128²) is

• 1]

  144

• 2]

  200

• 3]

  240

• 4]

  256