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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 1511

jamb 1998

Solve for the equation \(\sqrt{x}\) - \(\sqrt{(x - 2)}\) - 1 = 0

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

B\(\frac{2}{3}\)

C\(\frac{4}{9}\)

D\(\frac{9}{4}\)

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Question 1512

jamb 1998

Factorize r2 - r(2p + q) + 2pq

A(r - 2q)(2r - p)

B(r - p)(r + p0

C(r - q)(r - 2p)

D(2r - q)(r + p)

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Question 1513

jamb 1998

When the expression pm\(^2\) + qm + 1 is divided by (m - 1), it has a remainder is 2, and when divided by (m + 1), the remainder is 4. Find p and q respectively

A2, -1

B-1, 2

C3, -2

D-2, 3

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Question 1514

jamb 1998

A man is paid r naira per hour for normal work and double rate for overtime. if he does a 35-hour week which includes q hours of overtime, what is his weekly earning in naira?

Ar(35 + q)

Bq(35r - q)

Cq(35 + r)

Dr(35 + 2q)

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Question 1515

jamb 1998

A market woman sells oil in cylindrical tins 10cm deep and 6cm in diameter at N15.00 each. If she bought a full cylindrical jug 18cm deep and 10cm in diameter for N50.00, how much did she make by selling all the oil?

AN62.50

BN35.00

CN31.00

DN25.00

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Question 1516

jamb 1998

Find the value of k if \(\frac{k}{\sqrt{3} + \sqrt{2}}\) = k\(\sqrt{3 - 2}\)

C\(\sqrt{3}\)

D\(\sqrt 2\)

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Question 1517

jamb 1998

Given that log₄(Y - 1) + log₄(\(\frac{1}{2}\)x) = 1 and log₂(y + 1) + log₂x = 2, solve for x and y respectively

A2, 3

B3, 2

C-2, -3

D-3, -2

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Question 1518

jamb 1998

If \(b^3\) = \(a^{-2}\) and \(c^{\frac{1}{3}}\) = \(a^\frac{1}{2}\)b, express c in terms of a

Aa^{-\(\frac{1}{2}\)}

Ba^{\(\frac{1}{3}\)}

Ca^{\(\frac{3}{2}\)}

Da^{\(\frac{2}{3}\)}

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Question 1519

jamb 1998

Evaluate [\(\frac{1}{0.03}\) \(\div\) \(\frac{1}{0.024}\)]^-1 correct to 2 decimal places

A3.76

B1.25

C0.94

D0.75

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Question 1520

jamb 1998

If \(1011_2\) + \(X_7\) = \(25_{10}\), solve for X.

A20₇

B\(14_7\)

C\(25_7\)

D\(24_7\)

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Question 1521

waec 1997

A bag contains 3 white, 6 red, 5 blue identical balls. A ball is picked at random from bag. What is the probability that is either white or blue?

A9/14

B4/7

C3/7

D5/14

E3/14

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Question 1522

waec 1997

What is the probability of having an odd number in a single throw of a fair die with the faces numbered 1,2,3,4,5,6?

A5/6

B2/3

C1/2

D1/3

E1/6

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Question 1523

waec 1997

The table shows the scores of a group of students in a test. If the average score is 3.5, find the value of x

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Question 1524

waec 1997

A bag contains red, black and green identical balls. A ball is picked and replaced. The table shows the result of 100 trials. Find the experimental probability of picking a green ball.

A16

B21/25

C1/3

D4/21

E4/25

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Question 1525

waec 1997

The graph is the cumulative frequency curve for the weight distribution of 100 workers in a factory. Which of the points P,Q,R,S and T indicates the median weight?

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Question 1526

waec 1997

Two sides of a triangle are perpendicular. If the two sides are 8cm and 6cm, calculate correct to the nearest degree, the smallest angle of the triangle.

A35^o

B36^o

C37^o

D38^o

E53^o.

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Question 1527

waec 1997

Cos 65^o has the same value as

ASin 65^o

BCos 25^o

CCos 115^o

DCos 205^o

ECos 295^o

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Question 1528

waec 1997

lf sin θ= \(\frac{-1}{2}\), find all the values of θ between 0° and 360°.

A120^o,240^o

B120^o180^o

C210^o,300^o

D210^o,330^o

E300^o,360^o

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Question 1529

waec 1997

Express the true bearing of 250° as a compass bearing

AN20^oE

BS20^oE

CN20^oW

DS70^oW

ES70^oE

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Question 1530

waec 1997

The angle of elevation of a point T on a tower from a point U on the horizontal ground is 30^o. If TU = 54m, how high is T above the horizontal ground?

A108m

B72m

C46.3m

D31.2m

E27m

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