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Pergunta 1 Relatório
Given that the universal set U={14,15,16,17,18,19,20}, J ={16,19,20} and K= {14,15,18}, find (J' ∩ K')1.
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Pergunta 2 Relatório
A cone was developed from a sector of a circle with radius10cm and an angle at the centre of 108°. What is the radius of the cone?
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Pergunta 3 Relatório
Twice a number, x, is added to 5, the result is at least 11. What is the range of values of x?
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Pergunta 4 Relatório
Three sets of rice x, y and z are sold for N15.00, N35.00 and N60.00 respectively per kg. It they are mixed in the ratio of 1: 3 : 2, what is the cast per kg of the mixture?
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Pergunta 5 Relatório
The mean and the range of the set of numbers: 1.20, 1.00, 0.90, 1.40, 0.80, 0.80, 1.20 and 1.10 are p and q respectively. What is the value of p ÷ q?
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Pergunta 6 Relatório
Evaluate 1.25 × 10\(^2\) × 0.125 × 10\(^3\) × 12.5 × 10\(^{-4}\) leaving your answer in standard form
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Pergunta 7 Relatório
If , sT = \(\sqrt{\frac{[(a + T)T]}{a}}\) what does T equal?
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Pergunta 9 Relatório
An amount of money is shared among P,Q and R such that for every 3P gets, Q gets 2 and for every 1Q gets, R gets 4. Find P: Q : R
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Pergunta 10 Relatório
When a shirt is sold for N12000.00, a loss of 20% is recorded. How much should it be sold for to gain 20%?
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Pergunta 11 Relatório
A wire was shaped to form a square of area 81cm\(^2\). An equilateral triangle was formed by the same wire,What is the length of a side of the triangle formed?
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Pergunta 12 Relatório
The mean heights of 3 groups of students consisting of 20, 16 and 14 students are 1.67m, 1.50m and 1.40m Respectively. What is the mean height of all the students?
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Pergunta 13 Relatório
Two parallel chords of a circle are respectively 46cm and 40cm long. If the radius of the circle is 25cm and the centre of the circle lies between the two chords, what is the distance between the chords?
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Pergunta 15 Relatório
What is the volume of a cube if the diagonal of one of the sides is \(\sqrt{50}\)cm?
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Pergunta 16 Relatório
A girl on top of a storey building 36m high dropped a N10.00 note on the ground below. If the angle of depression of the N10.00 note is 35°, how far is the money from the girl?
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Pergunta 17 Relatório
What is the total surface area of a cuboid whose dimensions are 12cm × 8cm × 3cm?
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Pergunta 18 Relatório
What is the total surface area of a cylinder with radius 2cm and height 1.5cm, correct to 2 significant figures?
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Pergunta 20 Relatório
What must be added to 3x2 - 5x to make it a perfect square?
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Pergunta 21 Relatório
After what length of time will N2400.00 yield an interest of N60.00 at 1\(\frac{1}{2}\)% per annum?
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Pergunta 23 Relatório
Solve the equation: \(\frac{1}{3}x\) + \(\frac{2}{5}\) = \(\frac{3}{4}x\) - \(\frac{1}{6}\)
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Pergunta 24 Relatório
A petrol attendant recorded the number of vehicles that bought petrol from him for -3 hours and recorded 12 cars and 27 buses. What is the probability that the next vehicle will be a bus?
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Pergunta 25 Relatório
The probability that a student will pass a mathematics test is ⅗. If 3 students are chosen at random, what is the probability that at least 2 of them will pass the test?
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Pergunta 26 Relatório
If \(\frac{t}{1}\) = \(\sqrt{(\frac{4\pi^2}{g}})\), what is the value of g when I = 4.5; t = 5 secs
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Pergunta 27 Relatório
The length, breadth and height of a cuboid are 8cm, 7\(\frac{1}{2}\)cm and 6\(\frac{1}{2}\) cm respectively. What Is its volume in m3 (leave your answer in standard form)?
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Pergunta 28 Relatório
A quadratic equation with roots -1\(\frac{1}{2}\) and \(\frac{1}{4}\) is
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Pergunta 29 Relatório
The angle of elevation of the top (T) of a palm tree from a point (R) on the ground is 30°. The distance from R to the base (B) of the palm tree is 120m. What is the distance between T and R?
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Pergunta 30 Relatório
A boy leaves station X on a bearing of 035° to station y which is 21km away. He then travels to another station Z on a bearing of 125°. If Z is directly East of X, what is the distance from X to his present position?
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Pergunta 31 Relatório
If sin θ = \(\frac{\sqrt{3}}{2}\) and 0 < θ < 180°, what is cos θ ?
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Pergunta 32 Relatório
One bag contains 4 white balls and 2 black balls. Another bag contains 3 white balls and 5 black balls, if one ball is drawn from each bag, what is the probability that both are white?
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