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Mathematics Past Questions

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1,853 questions JAMB 2359 WAEC 1853 NECO 179 POST_UTME 6 CUSTOM 10

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1,853 questions

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Question 631

waec 2000

A man bought a television set on hire purchase for N25,000, out of which he paid N10,000, if he is allowed to pay the balance in eight equal installments, find the value of each installment.

AN1250

BN1578

CN1875

DN3125

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Question 632

waec 2000

A car moves at an average speed of 30kmh\(^{-1}\), how long does it take to cover 200 meters?

A2.4 sec

B24 sec

C144 sec

D240 sec

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Question 633

waec 2000

Given that the logarithm of a number is \(\bar{1}.8732\), find, correct to 2 significant figures the square root of the number.

A0.29

B0.75

C0.86

D0.93

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Question 634

waec 2000

Given that \(log_4 x = -3\), find x.

A\(\frac{1}{81}\)

B\(\frac{1}{64}\)

C64

D81

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Question 635

waec 2000

The ages of three men are in the ratio 3:4:5. If the difference between the ages of the oldest and youngest is 18 years, find the sum of the ages of the three men

A45 years

B72 years

C108 years

D216 years

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Question 636

waec 2000

If \(104_x = 68\), find the value of x

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Question 637

waec 2000

Which of the following numbers is perfect cube?

A350

B504

C950

D1728

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Question 638

waec 2000

Simplify \(\left(\frac{16}{81}\right)^{-\frac{3}{4}}\times \sqrt{\frac{100}{81}}\)

A\(\frac{80}{243}\)

B\(\frac{1}{64}\)

C\(\frac{25}{6}\)

D\(\frac{15}{4}\)

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Question 639

waec 2000

What fraction must be subtracted from the sum of \(2\frac{1}{6}\) and \(2\frac{7}{12}\) to give \(3\frac{1}{4}\)?

A\(\frac{1}{3}\)

B\(\frac{1}{2}\)

C\(1\frac{1}{6}\)

D\(1\frac{1}{2}\)

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Question 640

waec 2000

Find the missing number in the addition of the following numbers, in base seven
\(\begin{matrix}
4 & 3 & 2 & 1\\
1 & 2 & 3 & 4\\
* & * & * & *\\
1&2&3&4&1
\end{matrix}\)

A3453

B5556

C6016

D13453

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Question 641

waec 2000

simplify \(\frac{10}{\sqrt{32}}\)

A\(\frac{5}{4}\sqrt{2}\)

B\(\frac{4}{5}\sqrt{2}\)

C\(\frac{5}{16}\sqrt{2}\)

D\(\frac{16}{5}\sqrt{2}\)

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Question 642

waec 2000

Express 398753 correct to three significant figures

A398000

B398700

C398800

D399000

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Question 643

waec 2000

Express \(\frac{7}{19}\) as a percentage, correct to one decimal place

A2.7%

B3.7%

C27.1%

D36.8%

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Question 644

waec 1999

In the diagram above, RST is a tangent to circle VSU center O ∠SVU = 50° and UV is a diameter. Calculate ∠RSV.

A90°

B50°

C45°

D40°

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Question 645

waec 1999

In the diagram, CDE is a triangle, ABEF is cyclic quadrilateral, AB||CD, ∠BAF = 65^o and ∠AFE = 85^o calculate ∠CDE

A20^o

B30^o

C50^o

D65^o

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Question 646

waec 1999

The sides of a right angle triangle in ascending order of magnitude are 8cm, (x-2)cm and x cm. Find x

A16

B17

C34

D90

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Question 647

waec 1999

In the diagram, O is the centre of the circle ∠PQR = 75o, ∠OPS = yo and \(\bar{OR}\) is parallel to \(\bar{PS}\). Find y

A15

B30

C45

D75

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Question 648

waec 1999

Which of the following statements is true from the diagram above?

Am + n = 90^o

Bm = n

Cn > 45^o

Dm < 45^o

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Question 649

waec 1999

Describe the locus L shown in the diagram below

ALocus of points equidistant from X and Y

BLocus of points equidistant from X and Z

CLocus of points equidistant from \(\bar{ZX}\) and \(\bar{ZY}\)

DLocus of points equidistant from \(\bar{XY}\) and \(\bar{ZY}\)

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Question 650

waec 1999

In the diagram, DE||BC, |AD| = x cm and |DB| = |AE| = ycm. Find |CE| in terms of x and y

B\(\frac{x^2}{y}\)

C\(\frac{y}{x^2}\)

D\(\frac{y^2}{x}\)

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