Mathematics Past Questions

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Past Questions

4,407 questions
Question 1 of 20 4,407 total questions
Question 1261
waec 2002
The range of the distribution is
A50
B30
C25
D15
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Question 1262
waec 2002
The median of the distribution is
A25
B17.5
C15
D12.5
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Question 1263
waec 2002

A number is selected at random from the set Y = {18, 19, 20, . . . 28, 29}. Find the probability that the number is prime.

A\(\frac{1}{4}\)
B\(\frac{3}{11}\)
C\(\frac{1}{2}\)
D\(\frac{3}{4}\)
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Question 1264
waec 2002
The base diameter of a cone is 14cm, and its volume is 462 cm3. Find its height. [Taken \(\pi = \frac{22}{7}\)]
A3.5cm
B5cm
C7cm
D9cm
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Question 1265
waec 2002

The lengths of the parallel sides of a trapezium are 9 cm and 12 cm. lf the area of the trapezium is 105 cm\(^2\), find the perpendicular distance between the parallel sides.

A5cm
B7cm
C10cm
D15cm
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Question 1266
waec 2002
Simplify \(\frac{1}{1-x} + \frac{2}{1+x}\)
A\(\frac{x+3}{1-x^2}\)
B\(\frac{x-3}{1+x^2}\)
C\(\frac{3-x}{1-x^2}\)
D\(\frac{3-x}{1+x^2}\)
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Question 1267
waec 2002

For what values of x is the expression \(\frac{3x-2}{4x^2+9x-9}\) undefined?

A\(\frac{-3}{4} \hspace{1mm}or \hspace{1mm}3\)
B\(\frac{-2}{3} \hspace{1mm}or \hspace{1mm}-3\)
C\(\frac{2}{3} \hspace{1mm}or \hspace{1mm}3\)
D\(\frac{3}{4} \hspace{1mm}or \hspace{1mm}-3\)
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Question 1268
waec 2002

In the diagram, SQ is a tangent to the circle at P, XP||YQ, ∠XPY = 56 o and ∠PXY = 80 o.Find angle PQY

A34o
B13.36o
C44o
D46o
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Question 1269
waec 2002

Which of the following is represented by the above sketch?

Ay = x2 + x - 6
By = x2 - x - 6
Cy = x2 - x + 6
Dy = x2 + x + 6
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Question 1270
waec 2002

If (-3, -4) is a point on the line y = mx + 2 find the value of m.

A-2
B\(\frac{7}{4}\)
C2
D\(\frac{8}{3}\)
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Question 1271
waec 2002

Find the nth term of the sequence 4, 10, 16 ,...

A2(3n- 1)
B2(2 + 3 n-1)
C2 n + 2
D2(3n+2)
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Question 1272
waec 2002
From the diagram, find the bearing of Q from P.
A236o
B214o
C146o
D124o
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Question 1273
waec 2002

If (x + 3) varies directly as y and x = 3 when y = 12, what is the value of x when y = 8?

A1
B\(\frac{1}{2}\)
C\(-\frac{1}{2}\)
D-1
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Question 1274
waec 2002

The ratio of the number of men to the number of women in a 20 member committee is 3:1. How many women must be added to the 20-member committee so as to make the ratio of men to women 3:2?

A2
B5
C7
D9
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Question 1275
waec 2002

Points X, Y and Z are located in the same horizontal plane such that Y is 12 km north of X and Z is on a bearing of 270° from X. If |XZ| = 6km, calculate, correct to one decimal place, lYZl

A18km
B13.4km
C13km
D10.4km
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Question 1276
waec 2002

If log 2 = 0.3010 and log 2\(^y\) = 1.8062, find; correct to the nearest whole number, the value of y.

A6
B5
C4
D-5
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Question 1277
waec 2002

The length, in cm, of the sides of a right angled triangle are x, (x+2) and (x+1) where x > 0. Find , in cm, the length of its hypotenuse

A4
B5
C13
D17
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Question 1278
waec 2002

The diagram is the graph of \(y = 6 + x - x^2\). The graph intercepts the x-axis at P and R and the y-axis at Q.

When \(y = 3\frac{1}{3}\), what is the positive value of x?

A\( 2\frac{1}{2}\)
B\( 2\frac{1}{5}\)
C\( 1\frac{1}{5}\)
Dzero
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Question 1279
waec 2002

The diagram is the graph of \(y = 6 + x - x^2\). The graph intercepts the x- axis at P and R and the y- axis at Q.

What is the value of y at Q?

A\(6\frac{1}{3}\)
B6
C3
Dzero
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Question 1280
waec 2002
If \(M5_{ten} = 1001011_{two}\) find the value of M
A5
B6
C7
D8
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