1.
If the sum of the squares three consecutive natural numbers is 110, then the smallest of these natural numbers is = ?

2.
Which of the following values of x and y satisfy the following equations i and ii?
i. 3x + y = 19
ii. x - y = 9

3.
What is the maximum number of half - pint bottles of cream that can be filled with a 4-gallon can of cream? (2pt. = 1qt. and 4qt. = 1gal.)

4.
Find the sum : $$\frac{1}{2} + $$ $$\frac{1}{6} + $$ $$\frac{1}{{12}} + $$ $$\frac{1}{{20}} + $$ $$\frac{1}{{30}} + $$ $$\frac{1}{{42}} + $$ $$\frac{1}{{56}} + $$ $$\frac{1}{{72}} + $$ $$\frac{1}{{90}} + $$ $$\frac{1}{{110}} + $$ $$\frac{1}{{132}}$$ $$ = ?$$

5.
Given that $$\sqrt {13} $$ = 3.6 and $$\sqrt {130} $$  = 11.4, then the value of $$\sqrt {13} $$ + $$\sqrt {1300} $$  + $$\sqrt {0.013} $$   is equal to = ?

6.
$$\frac{{{{\left( {7.5} \right)}^3} + 1}}{{{{\left( {7.5} \right)}^2} - 6.5}}$$    is equal to = ?

7.
The value of $$\left( {1 - \frac{1}{{{3^2}}}} \right)$$ $$\left( {1 - \frac{1}{{{4^2}}}} \right)$$ $$\left( {1 - \frac{1}{{{5^2}}}} \right)$$   . . . . . $$\left( {1 - \frac{1}{{{{11}^2}}}} \right)$$ $$\left( {1 - \frac{1}{{{{12}^2}}}} \right)$$   $$ = ?$$

8.
If x = y = 2z and xyz = 256, then x = ?

9.
The smallest number that must be subtracted from 1000 to make the resulting number a perfect square is = ?

10.
The simplified value of $$\sqrt {5 + \sqrt {11 + \sqrt {19 + \sqrt {29 + \sqrt {49} } } } } $$      = ?

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