The figure shows a quadrilateral PQRS having equal sides and opposite sides parallel. The diagonals PR and QS intersect perpendicularly at O. Which of the following statements cannot be correct?
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2005
In the diagram, O is the center of the circle, ∠MON = 280o, ∠LMO = 10o and ∠LNO = 15o. Calculate the value of x.
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2005
The monthly salary of a man increased from N2,700 to N3,200. Find the percentage increase
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2005
Ladi sold a car for N84,000 at a loss of 4%. How much did ladi buy the car
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2005
If \(y \alpha \frac{1}{x^2}\) and \(y = 1\frac{1}{4}\) when x = 4, find the value of y when \(x = \frac{1}{2}\)
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2005
A rectangular packet has inner dimension 16cm by 12cm by 6cm. How many cubes of sugar of side 2cm can be neatly packed into the packet?
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2005
XOY is a real sector of a circle center O of radius 3.5cm which subtends an angle of 144o at the center. Calculate, in term of ϖ, the area of the sector
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2005
The angle of elevation of the top of a cliff 15 meters high from a landmark is 60o. How far is the landmark from the foot of the cliff? Leave your answer in surd form
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2005
In the diagram PQRS is a circle, |PT| = |QT| and ∠QPT = 70o what is the size of ∠PRS?
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2005
What is the equation of the curve?
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2005
What are the roots of the equation?
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2005
For what values of y is the expression \(\frac{6y-1}{y^2 - y-6}\)
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2005
The total surface area of the walls of a room 7m long, 5m wide and xm high is 96m2. Find the value of x
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2005
Simplify: \(\frac{2}{3xy} - \frac{3}{yz}\)
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2005
A regular polygon has 9 sides. What is the size of one of its exterior angles?
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2005
The salary of a man was increased in the ratio 40:47. calculate the percentage increase in the salary
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2005
A train moving at a uniform speed covers 36km in 21 minutes. How long does it take to cover 60km?
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2005
P = {3, 9, 11, 13} and Q = {3, 7, 9, 15} are subset of the universal set ξ = {1, 3, 7, 9, 11, 13, 15} find PI ∩ QI
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2005
which of the following statements describes the locus of a point R which moves in a plane such that its equidistant from two intersecting lines?
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2005
An arc of a circle of radius 14cm subtends angle 300o at the center. Find the perimeter of the sector formed by the arc