Mathematics looks at measurement, relationships, and properties of numbers and groups using numbers and symbols. Important topics in math include arithmetic, algebra, geometry, and calculus.
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Question 1211:
Find the standard deviation of 2,3,8,10 and 12
Options:
A) 3.9
B) 4.9
C) 5.9
D) 6.9
Show Answer
The correct answer is A .
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Question 1212: The number 25 when when converted from the tens and units base to the binary base (base two) is one of the following
Options:
A) 10011
B) 111011
C) 111000
D) 11001
E) 110011
Show Answer
The correct answer is D .
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Question 1213: In a regular polygon of n sides, each interior angle is 144o. Find n
Options:
A) 12
B) 11
C) 10
D) 8
E) 6F
Show Answer
The correct answer is C .
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Question 1214: The bearing of a bird on a tree from a hunter on the ground is ₦72oE. What is the bearing of the hunter from the birds?
Options:
A) S 18o W
B) S 72o W
C) S 72o E
D) S 27o E
E) S 27o W
Show Answer
The correct answer is E .
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Question 1215: In a figure, PQR = 60o, PRS = 90o, RPS = 45o, QR = 8cm. Determine PS
Options:
A) 2cm
B) 4cm
C) 2cm
D) 8cm
E) 8cm
Show Answer
The correct answer is B .
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Question 1216: Find the equation of the locus of a point P(x,y) which is equidistant from Q(0,0) and R(2,1).
Options:
A) 4x + 2y = 5
B) 4x - 2y = 5
C) 2x + 2y = 5
D) 2x + y = 5
Show Answer
The correct answer is A .
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Question 1217: Two ladders of length 5m and 7m lean against a pole and make angles 45° and 60° with the ground respectively. What is their distance apart on the pole correct to two decimal places?
Options:
A) 9.60m
B) 6.06m
C) 2.54m
D) 2.53m
E) 2.00m
Show Answer
The correct answer is D .
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Question 1218: If y = x sin x, Find
Options:
A) 2 cosx - x - x sinx
B) sinx + x cosx
C) sinx - x cosx
D) x sinx - 2 cosx
Show Answer
The correct answer is A .
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Question 1219: Find the area of the sector of a circle with radius 3m, if the angle of the sector is 60o
Options:
A) 4.0m2
B) 1m2
C) 4.7m2
D) 5.0m2
Show Answer
The correct answer is C .
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Question 1220: A group of 14 children children received the following scores in a reading test: 35, 35, 26, 26, 26, 29, 29, 29, 12, 25, 25, 25, 25, 17. What was the median score.
Options:
A) 29
B) 26
C) 24
D) 25
E) 23
Show Answer
The correct answer is B .