Three boys shared some oranges. The first received 1/3 of the oranges and the second received 2/3 of the remaining. If the third boy received the remaining 12 oranges, how many oranges did they share
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1986
In \(\bigtriangleup\)XYZ, determine the cosine of angle Z.
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1986
The people in a city with a population of 0.9 million were grouped according to their ages. Use the diagram to determine the number of people in the 15 - 29 years group
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1986
In the figure, \(\bigtriangleup\)PQT is isosceles. PQ = QT, SRQ = 35\(^{\circ}\), TPQ = 20\(^{\circ}\) and PQR is a straight line.Calculate TSR
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1986
PQ and PR are tangents from P to a circle centre O as shown in the figure. If QRP = 34\(^{\circ}\), find the angle marked x
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1986
The figure is a solid with the trapezium PQRS as its uniform cross-section. Find its volume
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1986
In the diagram, PQ and RS are chords of a circle centre O which meet at T outside the circle. If TP = 24cm. TQ = 8cm and TS = 12cm, find TR.
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1986
The table below gives the scores of a group of students in a Mathematical test.\(\begin{array}{c|c} Scores & 1 & 2 & 3 & 4 & 5 & 6 & 7 & 8 \\ \hline Frequency & 2 & 4 & 7 &…
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1986
A man kept 6 black, 5 brown and 7 purple shirts in a drawer. What is the probability of his picking a purple shirt with his eyes closed?
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1986
Find the probability that a number selected at random from 40 to 50 is a prime.
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1986
Find the median of the numbers 89, 141, 130, 161, 120, 131, 131, 100, 108 and 119
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1986
Of the nine hundred students admitted in a university in 1979, the following was the distribution by state: Anambrs 185, Imo 135, Kaduna 90, Kwara 110, Ondo 155, Oyo 225. In a pie chart drawn to represent this distributi…
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1986
An open rectangular box externally measures 4m x 3m x 4m. Find the total cost of painting the box externally if it costs ₦2.00 to paint one square meter
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1986
If U and V are two distinct fixed points and W is a variable points such that UWV is a right angle, what is the locus of W?
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1986
Find the total surface area of solid cone of radius 2\(\sqrt{3}\)cm and slanting side 4\(\sqrt{3}\)
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1986
An arc of a circle of radius 6cm is 8cm long. Find the area of the sector
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1986
A girl walks 45 meters in the direction 050o from a point Q to a point X. She then walks 24 meters in the direction 140o from X to a point Y. How far is she then from Q?
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1986
A regular polygon of n sides has 160o as the size of each interior angle. Find n
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1986
If cos\(\theta\) = \(\frac{a}{b}\), find 1 + tan2\(\theta\)
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1986
At what points does the straight line y = 2x + 1 intersect the curve y = 2x2 + 5x - 1?