## ALGEBRA and GEOMETRY for Junior school.

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Your answers are highlighted below.

Question 1 |

What is the total price of a $45.79 item when 7% sales tax is added?

A | $49.00 |

B | $52.79 |

C | $49.79 |

Question 2 |

What is the area of this polygon?

A | 138 m ^{2} |

B | 42 m ^{2} |

C | 142 m ^{2} |

D | 102 m ^{2} |

Question 3 |

What is the average of 4.2, 2.61, and 3.6?

A | 3.7 |

B | 3.6 |

C | 3.47 |

Question 4 |

The ratio of roses to snapdragons was 4 to 5. If there were 26,000 roses on the float, how
many snapdragons were there?

A | 32,500 |

B | 30,500 |

C | 34,200 |

D | 40, 000 |

Question 5 |

Find x.

A | $\frac{\text{5}}{\text{7}}$ |

B | $\frac{\text{11}}{\text{15}}$ |

C | $\frac{\text{11}}{\text{9}}$ |

D | 1 |

Question 6 |

The sale price of an item on sale for 40% off is $48. What was the regular price?

A | $80 |

B | $28.8 |

C | $52 |

D | $74 |

Question 7 |

How many quarter-pound hamburgers can be made from 100 pounds of ground beef?

A | 25 hamburgers |

B | 400 hamburgers |

C | 40 hamburgers |

D | 250 hamburgers |

Question 8 |

The area of a square is 64 cm

^{2}. What is the perimeter of the square?A | 24 cm |

B | 20 cm |

C | 32 cm |

Question 9 |

6w = 63 Find w.

A | 36 |

B | 2 |

C | 66 |

D | 12 |

Question 10 |

Ricardo ran the 400-meter race 3 times. His fastest time was 54.3 seconds. His slowest
time was 56.1 seconds. If his average time was 55.0 seconds, what was his time for the
third race?

A | 44.6 seconds |

B | 54.6 seconds |

C | 50.6 seconds |

D | 34.6 seconds |

Question 11 |

Write a fraction equal to $\frac{\text{1}}{\text{2}}$ with a denominator of 6 and a fraction equal to $\frac{\text{1}}{\text{3}}$ with a
denominator of 6. Then add the fractions.

A | $\frac{\text{7.}}{\text{6}}$ |

B | $\frac{\text{5}}{\text{6}}$ |

C | 2 |

D | 3 |

Question 12 |

${2}^{3}+\sqrt{25}\text{- 3 +}{4}^{2}-\sqrt{4}$

A | 0 |

B | 23 |

C | 24 |

D | 1 |

Question 13 |

$4\frac{\text{4}}{\text{5}}\times \; 1\frac{\text{1}}{\text{9}}\times \; 1\frac{\text{1}}{\text{8}}$

A | 9 |

B | 30 |

C | 10 |

D | 6 |

Question 14 |

$2\frac{\text{1}}{\text{2}}\mathrm{+\; 1}\frac{\text{1}}{\text{6}}$

A | $3\frac{\text{2}}{\text{3}}$ |

B | $3\frac{\text{5}}{\text{6}}$ |

C | $3\frac{\text{4}}{\text{5}}$ |

D | $3\frac{\text{4}}{\text{6}}$ |

Question 15 |

What is the volume in cubic meters of the right
solid whose base is the figure shown on the
left and whose sides are 200 centimeters tall?
Dimensions are in meters. All angles are right angles.

A | 800 m ^{3} |

B | 900 m ^{3} |

C | 840 m ^{3} |

D | 820 m ^{3} |

Question 16 |

A bag contains 3 red marbles, 4 white marbles, and 5 blue marbles. If one marble is drawn
from the bag, what is the probability that the marble will be blue?

A | $\frac{\text{4}}{\text{12}}$ |

B | $\frac{\text{5}}{\text{12}}$ |

C | 5 |

D | 3 |

Question 17 |

Round 7.49362 to the nearest thousandth.

A | 7.50 |

B | 7.49 |

C | 7.493 |

D | 7.494 |

Question 18 |

$3\frac{\text{5}}{\text{6}}-\left(\frac{2}{3}\text{\u2212}\frac{\text{1}}{\text{2}}\right)$

A | $3\frac{\text{2}}{\text{5}}$ |

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

C | $3\frac{\text{1}}{\text{2}}$ |

D | $3\frac{\text{2}}{\text{3}}$ |

Question 19 |

Write 0.000387 in scientific notation.

A | 3.87 Ã— 10 ^{ -4} |

B | 38.7 Ã— 10 ^{ -6} |

C | 3.87 Ã— 10 ^{ -3} |

D | 3.87 Ã— 10 ^{ -5} |

Question 20 |

$\frac{\text{8}}{\text{3}}$ .
$\frac{\text{3}}{\text{1}}$

A | $\frac{\text{24}}{\text{3}}$ |

B | $\frac{\text{11}}{\text{4}}$ |

C | $\frac{\text{11}}{\text{3}}$ |

D | 8 |

Question 21 |

A one-quart container of oil costs 89?. A case of 12 one-quart containers costs $8.64.
How much is saved per container by buying the oil by the case?

A | $2.04 per case |

B | $2.04 per container |

C | $0.17 per container |

D | $0.17 per case |

Question 22 |

Find the volume of the triangular prism shown. Dimensions are in millimeters.

A | 70,000 mm ^{3} |

B | 35,000 mm ^{3} |

C | 60,000 mm ^{3} |

D | 30,000 mm ^{3} |

Question 23 |

If 200 is increased by 130 percent, what is the resulting number?

A | 140 |

B | 260 |

C | 460 |

D | 330 |

Question 24 |

The perimeter of the square equals the perimeter of the
regular pentagon. Each side of the pentagon is 16 cm long.
How long is each side of the square?

A | 20 |

B | 23 |

C | 16 |

D | 19 |

Question 25 |

President Franklin D. Roosevelt died in office in 1945 at the age of 63. In what year was he
born?

A | 1863 |

B | 1882 |

C | 1881 |

D | 1868 |

Question 26 |

$102\; /\; 68$

A | $\frac{\text{1}}{\text{2}}$ |

B | $\text{3}\frac{\text{1}}{\text{2}}$ |

C | $1\frac{\text{1}}{\text{2}}$ |

Question 27 |

Find the surface area of this right solid. Dimensions are in centimeters.

A | 636 cm ^{2} |

B | 716 cm ^{2} |

C | 686 cm ^{2} |

D | 726 cm ^{2} |

E | 736 cm ^{2} |

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