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Mathematics Past Questions

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2,359 questions JAMB 2359 WAEC 1853 NECO 179 POST_UTME 6 CUSTOM 10

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2,359 questions

Question 1 of 20 2,359 total questions

Question 891

jamb 1990

Three brothers in a business deal share the profit at the end of a contact. The first received \(\frac{1}{3}\) of the profit and the second \(\frac{2}{3}\) of the remainder. If the third received the remaining N12000.00 how much profit did they share?

AN60 000.00

BN54 000.00

CN48 000.00

DN42 000.00

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Question 892

jamb 1990

Simplify and express in standard form \(\frac{0.00275 \times 0.0064}{0.025 \times 0.08}\)

A8.8 x 10^-1

B8.8 x 10^-2

C8.8 x 10^-3

D8.8 x 10³

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Question 893

jamb 1990

Three children shared a basket of mangoes in such a way that the first child took \(\frac{1}{4}\) of the mangoes and the second \(\frac{3}{4}\) of the remainder. What fraction of the mangoes did the third child take?

A\(\frac{3}{16}\)

B\(\frac{7}{16}\)

C\(\frac{9}{16}\)

D\(\frac{13}{16}\)

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Question 894

jamb 1990

At what rate would a sum of N100.00 deposited for 5 years raise an interest of N7.50?

A\(\frac{1}{2}\)%

B2\(\frac{1}{2}\)%

C1.5%

D25%

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Question 895

jamb 1990

Correct 241.34(3 x 10-\(^3\))\(^2\) to 4 significant figures

A0.0014

B0.001448

C0.0022

D0.002172

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Question 896

jamb 1990

The H.C.F. of a²bx + ab²x and a²b - b² is

Ba + b

Cb(a \(\div\) b)

Dabx(a² - b²)

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Question 897

jamb 1990

Simplify \(\frac{4\frac{3}{4} - 6\frac{1}{4}}{4\frac{1}{5} \text{ of } 1\frac{1}{4}}\)

A-7\(\frac{7}{8}\)

B\(\frac{-2}{7}\)

C\(\frac{-10}{21}\)

D\(\frac{10}{21}\)

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Question 898

jamb 1989

In a class of 30 students, the marks scored in an examination are displayed in the histogram. What percentage of the student scored more than 40%?

A14%

B40%

C46\(\frac{3}{4}\)%

D53\(\frac{1}{3}\)%

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Question 899

jamb 1989

If PST is a straight line and PQ = QS = SR in the diagram, find y.

A24^o

B48^o

C72^o

D84^o

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Question 900

jamb 1989

If PQR is a straight line with QS = QR, calculate TPQ, If QT\\SR and TQS = 3y^o

A62^o

B56\(\frac{3}{2}\)^o

C20\(\frac{3}{2}\)^o

D18^o

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Question 901

jamb 1989

In the diagram, HK is parallel to QR, PH = 4cm and HQ = 3cm. What is the ratio of KR:PR?

A7:3

B3:7

C3:4

D4:3

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Question 902

jamb 1989

MN is tangent to the given circle at M, MR, and MQ are two chords. IF QMN is 60º and MNQ is 40º. Find RMQ

A120^o

B110^o

C60^o

D20^o

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Question 903

jamb 1989

On the curve, the points at which the gradient of the curve is equal to zero are

Ac, d, f. i, l

Bb, e, g, j, m

Ca, b, c, d, f, i, j, l

Dc, d, f, h, i, l

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Question 904

jamb 1989

If n is the median and m is the mode of the following set of numbers, 2.4, 2.1, 1.6, 2.6, 2.6, 3.7, 2.1, 2.6, then (n, m) is

A(2.6, 2.6)

B(2.5, 2.6)

C(2.6, 2.5)

D(2.5, 2.1)

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Question 905

jamb 1989

In a family of 21 people, the average age is 14years. If the age of the grandfather is not counted, the average age drops to 12 years. What is the age of the grandfather?

A35 years

B40 years

C42 years

D54 years

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Question 906

jamb 1989

In preparing rice cutlets, a cook used 75g of rice, 40g of margarine, 105g of meat and 20g of bread crumbs. Find the angle of the sector which represents meat in pie chart

A30^o

B60^o

C112.5^o

D157.5^o

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Question 907

jamb 1989

OXYZW is a pyramid with a square base such that OX = OY= OZ = OW = 5cm and XY = XW = YZ = WZ = 6cm. Find the height OT

A2\(\sqrt{5}\)

D4\(\sqrt{3}\)

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Question 908

jamb 1989

A cylindrical metal pipe 1m long has an outer diameter of 7.2cm and an inner diameter of 2.8cm. Find the volume of metal used for the cylinder

A440\(\pi\)cm³

B1100\(\pi\)cm³

C4400\(\pi\)cm³

D11,000\(\pi\)cm³

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Question 909

jamb 1989

A square tile has side 30cm. How many of these tiles will cover a rectangular floor of length 7.2m and width 4.2m?

A336

B420

C576

D720

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Question 910

jamb 1989

4sin² x - 3 = 0, find x if 0 \(\geq\) x \(\geq\) 90^o

A30^o

B45^o

C60^o

D9^o

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