The length of an exercise book is given as 20cm correct to the nearest centimeter. In which of the following ranges of possible measurement does the actual length lie?
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1994
Find the probability that a number selected from the number 30 to 50 inclusive is a prime
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1994
Two cards are drawn one after the other with replacement from a well-shuffled ordinary deck of 52 cards containing four Aces. Find the probability that they are both Aces
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1994
The mean heights of the three groups of students consisting of 20, 16 and 14 students are 1.67m, 1.50m and 1.40m respectively. Find the mean height of the students
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1994
The percentage of the students with mass less than 69kg is
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1994
The median of the distribution is
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1994
cos 57o has the same value as
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1994
The bearing of Q from P is 122o, what is the bearing of P from Q?
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1994
A ladder 6m long leans against a vertical wall so that it makes an angle of 60o with the wall. Calculate the distance of the foot of the ladder from the wall
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1994
In the diagram |PS| is a diameter of circle PQRS. |PQ| = |QR| and ∠RSP = 74o. Find ∠QPS.
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1994
The diagram above shows a circle PQRS in which ∠PRQ = 54o and ∠SPQ = 97o. Find ∠PQS.
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1994
In the diagram above, PQ is the tangent to the circle RST at T.|ST| = ST and ∠RTQ = 68o. Find ∠PTS.
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1994
Which of the following is not a property of all parallelogram?
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1994
The sum of the angles of regular polygon is 2520o. How many sides does the polygon have?
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1994
IF the exterior angles of a quadilateral are yo, (2y + 5)o , (y + 15)o and (3y - 10)o, find yo
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1994
In the diagram, PQ||RS and angles are as shown. Find x
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1994
In the diagram ST and QR are parallel. |PS| = 6cm, |SQ| = 8cm and |PR] = 18 2/3. Find |PT|
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1994
Two solid spheres have volumes 250cmo and 128cmo respectively. Find the ratio of their radii.
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1994
In the diagram, PQRS is a trapezium with PQ||SR. STR is a straight line, PSHQT, PTHQR. If |PQ| = 12cm and the height of the trapezium is 9cm, find its area.
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1994
A circle has radius x cm. What is the area of a sector of the circle with angle 135°, leaving the answer in terms of x and π?