The marks scored by 30 students in a Mathematics test are recorded in the table below:Scores (Mark)012345No of students437862What is the total number of marks scored by the children?
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2019
In the figure above, |CD| is the base of the triangle CDE. Find the area of the figure to the nearest whole number.
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2019
If \(4\sin^2 x - 3 = 0\), find the value of x, when 0° \(\leq\) x \(\leq\) 90°
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2019
From the cyclic quadrilateral MNOP above, find the value of x.
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2019
The locus of a point which moves so that it is equidistant from two intersecting straight lines is the
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2019
Score (x)0123456Freq (f)57371167Find the variance
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2019
Score (x)0123456Freq (f)57371167Find the mean of the data.
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2019
Given matrix M = \(\begin{vmatrix} -2 & 0 & 4 \\ 0 & -1 & 6 \\ 5 & 6 & 3 \end{vmatrix}\), find \(M^{T} + 2M\)
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2019
In how many ways can the word MATHEMATICIAN be arranged?
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2019
If a fair coin is tossed 3 times, what is the probability of getting at least two heads?
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2019
If \(6x^3 + 2x^2 - 5x + 1\) divides \(x^2 - x - 1\), find the remainder.
In a class of 50 students, 40 students offered Physics and 30 offered Biology. How many offered both Physics and Biology?
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2019
Age in years7891011No of pupils41330449The table above shows the number of pupils in a class with respect to their ages. If a pie chart is constructed to represent the age, the angle corresponding to 8 years old is
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2019
A binary operation \(\otimes\) is defined by \(m \otimes n = mn + m - n\) on the set of real numbers, for all m, n \(\in\) R. Find the value of 3 \(\otimes\) (2 \(\otimes\) 4).
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2019
The angle of elevation of the top of a tree from a point on the ground 60m away from the foot of the tree is 78°. Find the height of the tree correct to the nearest whole number.
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2019
Make q the subject of the formula in the equation \(\frac{mn}{a^2} - \frac{pq}{b^2} = 1\)