A body of mass 28g, initially at rest is acted upon by a force, F Newtons. If it attains a velocity of \(5.4ms^{-1}\) in 18 seconds, find the value of F.
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2018
If \(\overrightarrow{OX} = \begin{pmatrix} -7 \\ 6 \end{pmatrix}\) and \(\overrightarrow{OY} = \begin{pmatrix} 16 \\ -11 \end{pmatrix}\), find \(\overrightarrow{YX}\).
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2018
What is the probability of obtaining a head and a six when a fair coin and and a die are tossed together?
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2018
Given that \(a = i - 3j\) and \(b = -2i + 5j\) and \(c = 3i - j\), calculate \(|a - b + c|\).
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2018
The marks scored by 4 students in Mathematics and Physics are ranked as shown in the table belowMathematics3421Physics4312Calculate the Spearmann's rank correlation coefficient.
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2018
Out of 70 schools, 42 of them can be attended by boys and 35 can be attended by girls. If a pupil is selected at random from these schools, find the probability that he/ she is from a mixed school.
The first term of a Geometric Progression (GP) is \(\frac{3}{4}\), If the product of the second and third terms of the sequence is 972, find its common ratio.
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2018
How many numbers greater than 150 can be formed from the digits 1, 2, 3, 4, 5 without repetition?