Mathematics Past Questions

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Past Questions

4,407 questions
Question 1 of 20 4,407 total questions
Question 1371
waec 2000

In the diagram, PQS is a circle with center O. RST is a tangent at S and ∠SOP = 96o. Find ∠PST

A42o
B48o
C60o
D66o
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Question 1372
waec 2000

Given that p varies directly as q while q varies inversely as r, which of the following statements is true?

Ar varies directly as p
Bp varies inversely as r
Cp varies directly as r
Dq varies inversely as p
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Question 1373
waec 2000

Find the value of x such that the expression \(\frac{1}{x}+\frac{4}{3x}-\frac{5}{6x}+1\) equals zero

A\(\frac{1}{6}\)
B\(\frac{1}{4}\)
C\(\frac{-3}{2}\)
D\(\frac{-7}{6}\)
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Question 1374
waec 2000

Solve the equation \(3y^2\) = 27y

Ay = o or 3
By = 0 or 9
Cy = -3 or 3
Dy = 3 or 9
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Question 1375
waec 2000

Make t the subject of formula \(k = m\sqrt{\frac{t-p}{r}}\)

A\(\frac{rk^2 + p}{m^2}\)
B\(\frac{rk^2+pm^2}{m^2}\)
C\(\frac{rk^2-p}{m^2}\)
D\(\frac{rk^2-p^2}{m^2}\)
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Question 1376
waec 2000

Find the equation whose roots are -8 and 5

A\(x^2 + 13x + 40=0\)
B\(x^2 - 13x - 40=0\)
C\(x^2 - 3x +40=0\)
D\(x^2 + 3x - 40=0\)
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Question 1377
waec 2000

Form an inequality for a distance d meters which is more than 18m, but not more than 23m

A18 ≤ d ≤ 23
B18 < d ≤ 23
C18 ≤ d < 23
Dd < 18 or d > 23
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Question 1378
waec 2000

Simplify \(\frac{1}{x-3}-\frac{3(x-1)}{x^2 - 9}\)

A\(\frac{x-1}{x-3}\)
B\(\frac{-2}{x+3}\)
C\(\frac{x-1}{x+3}\)
D\(\frac{4x}{x^2-9}\)
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Question 1379
waec 2000

Given that (2x + 7) is a factor of \(2x^2 + 3x - 14\), find the other factor

Ax + 2
B2 - x
Cx - 2
Dx + 1
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Question 1380
waec 2000

If x varies inversely as y and \(x = \frac{2}{3}\) when y = 9, find the value of y when \(x=\frac{3}{4}\)

A\(\frac{1}{18}\)
B\(\frac{8}{81}\)
C\(\frac{9}{2}\)
D8
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Question 1381
waec 2000

Given that \(27^{(1+x)}=9,)\ find x

A-3
B\(\frac{-1}{3}\)
C\(\frac{5}{3}\)
D2
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Question 1382
waec 2000

Given that x = -\(\frac{1}{2}\) and  y = 4 evaluate 3x\(^2y+xy^2\)

A-5
B-1
C4
D11
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Question 1383
waec 2000

In the diagram, POS and ROT are straight lines, OPQR is a parallelogram. |OS| = |OT| and ∠OST = 50°. Calculate ∠OPQ.

A160o
B140o
C120o
D100o
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Question 1384
waec 2000

If the interior angles of hexagon are 107°, 2x°, 150°, 95°, (2x-15)° and 123°, find x.

A\(57\frac{1}{2}^{\circ}\)
B\(65^{\circ}\)
C\(106^{\circ}\)
D\(120^{\circ}\)
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Question 1385
waec 2000

Each side of a regular convex polygon subtends an angle of 30° at its center. Calculate each interior angle

A75o
B150o
C160o
D68o
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Question 1386
waec 2000

In the diagram, PQRS is a circle center O. PQR is a diameter and ∠PRQ = 40°. Calculate ∠QSR.

A30o
B40o
C45o
D50o
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Question 1387
waec 2000

Which of the following statement is not true about a rectangle? I.Each diagonal cuts the rectangle into two congruent triangles. II. A rectangle has four lines of symmetry III. The diagonals intersect at right angles

AI and II only
BIII only
CII only
DII and III only
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Question 1388
waec 2000

The probabilities that Kodjo and Adoga pass an examination are \(\frac{3}{4}\) and \(\frac{3}{5}\) respectively. Find the probability of both boys failing the examination

A\(\frac{1}{10}\)
B\(\frac{3}{10}\)
C\(\frac{9}{20}\)
D\(\frac{2}{3}\)
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Question 1389
waec 2000

Calculate the standard deviation of the following marks; 2, 3, 6, 2, 5, 0, 4, 2

A1.5
B1.7
C1.8
D1.9
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Question 1390
waec 2000

The bar chart shows the distribution of marks scored by a group of students in a test. Use the chart to answer the question below
How many students took the test?

A38
B32
C15
D11
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