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 751: If Log102 = 0.3010 and Log103 = 0.4771, evaluate Log104.5
Options:
A) 0.9542
B) 0.6532
C) 0.4771
D) 0.3010
Show Answer
The correct answer is B .
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Question 752:
The ages of students in a small primary school were recorded in the table below.
| Age | 5 - 6 | 7 - 8 | 9 -10 |
| Frequency | 29 | 40 | 38 |
Estimate the mean
Options:
A) 7.7
B) 7.5
C) 7.8
D) 7.6
Show Answer
The correct answer is A .
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Question 753: Write the equation 2 log2x - x log2(1 + y) = 3 in a form not involving logarithms
Options:
A) 2x(1 + y) = 3
B) 2x - x(1 + y) = 8
C) x2 = 8(1 + y)x
D) x2 - x(1 + y) = 8
E) x2 - (1 + y)2 = 8
Show Answer
The correct answer is C .
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Question 754: A square of cardboard is taped at the perimeter by a piece of ribbon 20cm long. What is the area of the board?
Options:
A) 20sq.cm
B) 100sq.cm
C) 25sq.cm
D) 16sq.cm
E) 36sq.cm
Show Answer
The correct answer is C .
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Question 755:
From the diagram above, Find the value of < ROP
Options:
A) 110o
B) 70o
C) 95o
D) 85o
Show Answer
The correct answer is C .
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Question 756: In a school, there are 35 students in Class 2A and 40 in class 2B. The mean score for class 2A in an English literature examination is 60.0 and that for 2B in the same paper is 52.5. Find to one place of decimals, the mean for the combined classes.
Options:
A) 1.5
B) 56.0
C) 56.2
D) 56.3
E) 56.5
Show Answer
The correct answer is B .
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Question 757: Twenty girls and y boys sat on an examination. The mean marks obtained by the girls and boys were 52 and 57 respectively. if the total score for both girls and boys was 2950, find y.
Options:
A) 51
B) 48
C) 30
D) 25
E) 18
Show Answer
The correct answer is C .
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Question 758:
Make q the subject of the formula in the equation
Options:
A)
B)
C)
D)
Show Answer
The correct answer is A .
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Question 759: A die has four of it's faces coloured white and the remaining two coloured black. What is the probability that when the die is thrown two consecutive time, the top face will be white in both cases?
Options:
A)
B)
C)
D)
Show Answer
The correct answer is C .
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Question 760: A trader bought goats for N4000 each. He sold them for N180,000 at a loss of 25%. How many goats did he buy?
Options:
A) 60
B) 50
C) 45
D) 36
Show Answer
The correct answer is A .