Quiz Discussion

Given that $\sqrt {13} = 3.605$   and $\sqrt {130} = 11.40$  . find the value of $\sqrt {1.30}$  + $\sqrt {1300}$  + $\sqrt {0.0130}$   = ?

• 1] 36.164
• 2] 36.304
• 3] 37.164
• 4] 37.304

$\sqrt {110.25} \times \sqrt {0.01} \div$    $\sqrt {0.0025}$  - $\sqrt {420.25}$  equals ?

• 1] 0.50
• 2] 0.64
• 3] 0.73
• 4] 0.75

Given $\sqrt 2 = 1.414.$   Then the value of $\sqrt 8$  + $2\sqrt {32}$  -  $3\sqrt {128}$  + $4\sqrt {50}$   is = ?

• 1] 8.426
• 2] 8.484
• 3] 8.526
• 4] 8.876

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%

Value of $\sqrt {0.01} \times \root 3 \of {0.008} - 0.02$    is = ?

• 1] 0
• 2] 1
• 3] 2
• 4] 3