#80.
The carat is a unit of measure used to weigh precious stones. It equals 3.086 grains. How many grains does a 2.8 carat diamond weigh?
A
8640.8
B
8.6408
C
864.08
D
86.408
Answer: 8.6408
#81.
A carpenter wanted three pieces of wood each 1? feet long. If he planned to cut them from a 6-foot piece of wood, how much of the piece would be left?
A
4 ? ft
B
3 ft
C
4 ? ft
D
1 ? ft
Answer: 1 ? ft
#82.
Four mangoes cost P 29.00. At that price what will 2½ dozen mangoes cost?
A
?870.00
B
?188.50
C
?217.50
D
?348.50
Answer: ?217.50
#83.
If ?75.00 is shared among three children in the ratio of 3:7:15. The size of the smaller share is
A
?9.00
B
?25.00
C
?15.00
D
. ?35.00
Answer: ?9.00
#84.
How many whole numbers can divide 30 exactly?
A
Four
B
Eight
C
Six
D
Five
Answer: Eight
#85.
Which is the sum of the infinite progression 3/2, 1, 2/3, 4/9 . . . ?
A
5½
B
7½
C
6½
D
4½
Answer: 6½
#86.
In the progression 18, -12, 8 . . . which term is 512/729?
A
the 6th
B
the 8th
C
the 7th
D
the 9th
Answer: the 8th
#87.
Which are the next three terms in the progression 1, 4, 16 . . . 8 terms?
A
65, 257, 1025
B
64, 256, 1024
C
67, 259, 1027
D
66, 258, 1026
Answer: 64, 256, 1024
#88.
Which are the next three terms in the progression 1/125, -1/25, 1/5 . . . 7 terms?
A
-3, 7, -27
B
-4, 8, -28
C
-2, 6, -26
D
-1, 5, -25
Answer: -2, 6, -26
#89.
Which is the equivalent common fraction of the repeating decimal 3.242424…?
A
110/33
B
108/33
C
107/33
D
109/33
Answer: 107/33
#90.
Benjamin received his report card with the following grades: 93, 88, 80, 86 and 89? What is the average grade?
A
86 1/5
B
87
C
88
D
86
Answer: 87
#91.
The Miranda Family purchased a 250-pound side of beef and had it packaged. They paid ?365.00 for the side of beef. During the packaging, 75 pounds of beef were discarded as waste. What was the cost per pound for the packaged beef?
A
?2.06 per pound
B
?2.50 per pound
C
?2.08 per pound
D
?2.30 per pound
Answer: ?2.08 per pound
#92.
If a baseball player hits 10 home runs in the first 45 games, at the same rate how many home runs can he expect to hit during the 162-game season?
A
40
B
36
C
42
D
38
Answer: 36
#93.
During a recent shopping spree, Tomas and Nena bought some new accessories for their apartment. Nena chose a crocheted throw pillow at ?24.95, and Tomas purchased a rural landscape painting for ?135.00. How much did they actually spend if they paid 7% sales tax on their purchases?
A
?171.15
B
?139.25
C
?148.75
D
?159.95
Answer: ?171.15
#94.
You buy a new refrigerator for ?12,800.00 and make a down payment of ?2,500.00. If you finance the remainder at 8% annually for three years, how much will you actually pay for the refrigerator?
A
?12,772.00
B
?10,300.00
C
?15,272.00
D
?12,190.00
Answer: ?15,272.00
#95.
To pass her English Test, Lucille must get 75% of the items correct. Out of 80 questions, how many must she correctly answer?
A
55
B
65
C
60
D
70
Answer: 60
#96.
A spherical Tank has a capacity of 7200 cc is partially filled with water. What is the area of the circle formed by the water surface if it is 7.2cm from the center of the sphere?
A
208.02 sq. m
B
288.02 sq. m
C
188.02 sq. m
D
108.02 sq. m
Answer: 288.02 sq. m
#97.
A construction worker built a parabolic hut which is 16.1m wide at the base and 12.4 m high at the center. How high above the base should the ceiling 12.2m wide be constructed?
A
12.4m
B
10.25m
C
7.33m
D
5.28m
Answer: 5.28m
#98.
The cross section of a pipe is bounded by two concentric circles such that the bigger one circumscribed a square of dimension 7.9 cm, while the smaller one is inscribed in it. What is the cross sectional area of the pipe? CE board - Math
A
39.152 sq cm
B
49.152 sq cm
C
59.152 sq cm
D
69.152 sq cm
Answer: 49.152 sq cm
#99.
A circle is tangent to two perpendicular lines. A smaller circle is drawn inside such that is tangent to the lines and the bigger circle. What is the area of the smaller circle if the bigger circle has an area of 50.4 sq cm? CE board-Math