2014If the points (-1, t -1), (t, t - 3) and (t - 6, 3) lie on the same straight line, find the values of t.See more
2014A particle accelerates at 12\(ms^{-2}\) and travels a distance of 250m in 6 seconds. Find the initial velocity of the particle.See more
2014The first term of a linear sequence is 9 and the common difference is 7. If the nth term is 380, find the value of n.See more
2014The deviations from the mean of a set of numbers are \((k+3)^{2}, (k+7), -2, \text{k and (} k+2)^{2}\), where k is a constant. Find the value of k.See more
2014Forces 90N and 120N act in the directions 120° and 240° respectively. Find the resultant of these forces.See more
2014If a fair coin is tossed four times, what is the probability of obtaining at least one head?See more
2014Find the coefficient of \(x^3\) in the binomial expansion of \((3x + 4)^4\) in ascending powers of x.See more
2014Given that \(AB = \begin{pmatrix} 4 \\ 3 \end{pmatrix}\) and \(AC = \begin{pmatrix} 2 \\ -3 \end{pmatrix}\), find |BC|.See more
2014Age in years10 - 1415 - 1920 - 2425 - 2930 - 34Frequency68141012Find the mean of the distribution.See more
2014Age in years10 - 1415 - 1920 - 2425 - 2930 - 34Frequency68141012 In which group is the upper quartile?See more
2014Age in years10 - 1415 - 1920 - 2425 - 2930 - 34Frequency68141012What is the class mark of the median class?See more
2014The radius of a sphere is increasing at a rate \(3cm s^{-1}\). Find the rate of increase in the surface area, when the radius is 2cm. See more
2014A function is defined by \(h : x \to 2 - \frac{1}{2x - 3}, x \neq \frac{3}{2}\). Find \(h^{-1}(\frac{1}{2})\).See more