Mathematics Past Questions

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Past Questions

1,853 questions
Question 1 of 20 1,853 total questions
Question 261
waec 2015

In the diagram, O is the centre. If PQ//RS and ∠ find the size of ∠POM.

A40o
B50o
C60o
D80o
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Question 262
waec 2015
The dimension of a rectangular tank are 2m by 7m by 11m. If its volume is equal to that of a cylindrical tank of height 4cm, calculate the base radius of the cylindrical tank. [Take \(\pi = \frac{22}{7}\)]
A14cm
B7m
C3\(\frac{1}{2}\)m
D1\(\frac{3}{4}\)m
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Question 263
waec 2015
The volume of a cone of height 3cm is 38\(\frac{1}{2}\)cm3. Find the radius of its base. [Take \(\pi = \frac{22}{7}\)]
A3.0cm
B3.5cm
C4.0cm
D4.5cm
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Question 264
waec 2015
Ada draws the graph of y = x2 - x - 2 and y = 2x - 1 on the same axes. Which of these equations is she solving?
Ax2 - x - 3 = 0
Bx2 - 3x - 1 = 0
Cx2 - 3x - 3 = 0
Dx2 + 3x - 1 = 0
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Question 265
waec 2015

Adding 42 to a given positive number gives the same result as squaring the number. Find the number

A14
B13
C7
D6
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Question 266
waec 2015

If m = 4, n = 9 and r = 16., evaluate \(\frac{m}{n}\) - 1\(\frac{7}{9}\) + \(\frac{n}{r}\)

A1\(\frac{5}{16}\)
B1\(\frac{1}{16}\)
C\(\frac{5}{16}\)
D- \(\frac{37}{48}\)
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Question 267
waec 2015
Find the equation whose roots are \(\frac{3}{4}\) and -4
A4x2 - 13x + 12 = 0
B4x2 - 13x - 12 = 0
C4x2 + 13x - 12 = 0
D4x2 + 13x + 12 = 0
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Question 268
waec 2015
Factorize completely: 6ax - 12by - 9ay + 8bx
A(2a - 3b)(4x + 3y)
B(3a + 4b)(2x - 3y)
C(3a - 4b)(2x + 3y)
D(2a + 3b)(4x -3y)
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Question 269
waec 2015
If 2n = y, Find 2\(^{(2 + \frac{n}{3})}\)
A4y\(^\frac{1}{3}\)
B4y\(^-3\)
C2y\(^\frac{1}{3}\)
D2y\(^-3\)
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Question 270
waec 2015

Given that logx 64 = 3, evaluate x log\(_2\)8

A6
B9
C12
D24
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Question 271
waec 2015

Find the 7th term of the sequence: 2, 5, 10, 17, 26,...

A37
B48
C50
D63
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Question 272
waec 2015
If \(\frac{27^x \times 3^{1 - x}}{9^{2x}} = 1\), find the value of x.
A1
B\(\frac{1}{2}\)
C-\(\frac{1}{2}\)
D-1
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Question 273
waec 2015

A trader bought an engine for $15,000.00 outside Nigeria. If the exchange rate is $0.075 to N1.00, how much did the engine cost in Naira?

AN250,000.00
BN200,000.00
CN150,000.00
DN100,000.00
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Question 274
waec 2015

The sum 11011\(_2\), 11111\(_2\) and 10000\(_2\) is 10m10n0\(_2\). Find the value of m and n.

Am = 0, n = 0
Bm = 1, n = 0
Cm = 0, n = 1
Dm = 1, n = 1
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Question 275
waec 2015

If {X: 2 d- x d- 19; X integer} and 7 + x = 4 (mod 9), find the highest value of x

A2
B5
C15
D18
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Question 276
waec 2014
In the diagram, O is the centre of the circle of the circle, PR is a tangent to the circle at Q < SOQ = 86o. Calculate the value of < SQR.
A43o
B47o
C54o
D86o
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Question 277
waec 2014

Determine the value of m in the diagram

A80o
B90o
C110o
D150o
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Question 278
waec 2014

In the figures, PQ is a tangent to the circle at R and UT is parallel to PQ. if < TRQ = xo, find < URT in terms of x

A2xo
B(90 - x)o
C(90 + x)o
D(180 - 2x)o
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Question 279
waec 2014

The graph given is for the relation y = 2x\(^2\) + x - 1. Find the minimum value of y

A0.00
B-0.65
C-1.25
D-2.10
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Question 280
waec 2014

The graph given is for the relation y = 2x\(^2\) + x - 1. What are the coordinates of the point S?

A(1, 0.2)
B(1, 0.4)
C(1, 2.0)
D(1, 40)
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