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Mathematics Past Questions

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4,407 questions JAMB 2359 WAEC 1853 NECO 179 POST_UTME 6 CUSTOM 10

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4,407 questions

Question 1 of 20 4,407 total questions

Question 1191

waec 2003

Given that p varies as the square of q and q varies inversely as the square root of r. How does p vary with r?

Ap varies as the square of r

Bp varies as the square root of r

Cp varies inversely as the square of r

Dp varies inversely as r

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Question 1192

waec 2003

The square root of a number is 2k. What is half of the number

A\(\sqrt{\frac{k}{2}}\)

B\(\sqrt{k}\)

C\(\frac{1}{2}k^2\)

D2k²

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Question 1193

waec 2003

From the Venn Diagram below, find Q' ∩ R.

A(e)

B(c, h)

C(c, g, h)

D(c, e, g, h)

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Question 1194

waec 2003

From the Venn diagram below, how many elements are in P∩Q?

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Question 1195

waec 2003

If \(P = \sqrt{QR\left(1+\frac{3t}{R}\right)}\), make R the subject of the formula.

A\(R = \frac{3Qt}{P^2 - Q}\)

B\(R = \frac{P^2 – 3t}{Q+1}\)

C\(R = \frac{P^2 + 3t}{Q - 1}\)

D\(R = \frac{P^2-3Qt}{Q}\)

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Question 1196

waec 2003

In a ∆ XYZ, /YZ/ = 6cm YXZ = 60o and XYZ is a right angle. Calculate /XZ/in cm, leaving your answer in surd form

A2√3

B4√3

C6√3

D12√3

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Question 1197

waec 2003

Which of the following is/are not the interior angle(s) of a regular polygon? I.108° II. 116° III. 120°

AI only

BII only

CIII only

DI and III only

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Question 1198

waec 2003

If \(\frac{3^{(1-n)}}{9^{-2n}}\) = \(\frac{1}{9}\) find n

A\(-\frac{3}{2}\)

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

C-1

D-3

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Question 1199

waec 2003

Given that x ≅ 0.0102 correct to 3 significant figures, which of the following cannot be the actual value of x?

A0.01014

B0.01021

C0.01015

D0.01016

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Question 1200

waec 2003

Evaluate \((111_{two})^2 - (101_{two})^2\)

A10_two

B100_two

C1100_two

D11000_two

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Question 1201

waec 2003

In the diagram, \(P\hat{Q}S = 65^o, R\hat{P}S = 40^o\hspace{1mm}and\hspace{1mm}Q\hat{S}R=20^o\hspace{1mm} Find P\hat{S}Q\)

A85^o

B60^o

C55^o

D45^o

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Question 1202

waec 2003

Find the values of x for which \( \frac{1}{2x^2 - 13x +15} \) is not defined,

A5 or \( \frac{3}{2} \)

B1 or \( \frac{15}{13} \)

C2 or 15

D13 or 15

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Question 1203

waec 2003

Out of 60 members of an Association, 15 are Doctors and 9 are Lawyers. If a member is selected at random from the Association, what is the probability that the member is neither a Doctor Nor a Lawyer

A\(\frac{3}{5}\)

B\(\frac{9}{10}\)

C\(\frac{3}{20}\)

D\(\frac{1}{4}\)

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Question 1204

waec 2003

Calculate the value of y in the diagram

A17

B34

C44

D45

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Question 1205

waec 2003

The four interior angles of a quadrilateral are (x + 20) ^o, (x+ 10) ^o (2x - 45) ^o and (x - 25) ^o. Find the value of x

A60

B80

C100

D360

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Question 1206

waec 2003

What is the size of angle x in the diagram

A15^o

B30^o

C45^o

D60^o

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Question 1207

waec 2003

A ladder, 6m long, leans against a vertical wall at an angle 53^o to the horizontal. How high up the wall does the ladder reach?

A3.611m

B4.521m

C4.792m

D7.962m

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Question 1208

waec 2003

Given, that \(4P4_5 = 119_{10}\), find the value of P

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Question 1209

waec 2003

In\( ∆ PQR, P\hat{Q}P = 84^°, |Q\hat{P}R |= 43^°\) and |PQ| = 5cm. Find /QR/ in cm, correct to 1 decimal place.

A3.4

B4.3

C5.9

D6.2

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Question 1210

waec 2003

Find the value of x in the equation 3x\(^2\) - 8x - 3 = 0

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

B\(-\frac{1}{3},-3\)

C\(-\frac{1}{3},3\)

D\(\frac{1}{3},3\)

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