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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 1101

jamb 1981

Marks scored by some children in an arithmetic test are:5, 3, 6, 9, 4, 7, 8, 6, 2, 7, 8, 4, 5, 2, 1, 0, 6, 9, 0, 8.
The arithmetic mean of the marks is

E10

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Question 1102

jamb 1981

What is the area between two concentric circles of diameters 26cm and 20cm?

A100\(\pi\)

B169\(\pi\)

C69\(\pi\)

D9\(\pi\)

E269\(\pi\)

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Question 1103

jamb 1981

Evaluate correct to 4 decimal places 827.51 x 0.015

A8.8415

B12.4127

C124.1265

D12.4120

E114.1265

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Question 1104

jamb 1981

A cuboid has a diagonal of length 9cm and a square base of side 4cm. What is its height?

A9cm

B\(\sqrt{65}\)cm

C\(4\sqrt{2}\)cm

D7cm

E6.5cm

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Question 1105

jamb 1981

Which of the following fractions is less than one-third?

A\(\frac{22}{63}\)

B\(\frac{4}{11}\)

C\(\frac{15}{46}\)

D\(\frac{33}{98}\)

E\(\frac{122}{303}\)

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Question 1106

jamb 1981

A group of 14 children children received the following scores in a reading test: 35, 35, 26, 26, 26, 29, 29, 29, 12, 25, 25, 25, 25, 17. What was the median score?

A29

B26

C24

D25

E23

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Question 1107

jamb 1981

Find the value of x satisfying \(\frac{x}{2}\) - \(\frac{1}{3}\) < \(\frac{2x}{5}\) + \(\frac{1}{6}\)

Ax < 5

Bx < 7\(\frac{1}{2}\)

Cx > 5

Dx > 7\(\frac{1}{2}\)

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Question 1108

jamb 1981

Find a two-digit number such that three times the tens digit is 2 less than twice the units digit and twice the number is 20 greater than the number obtained by reversing the digits

A24

B42

C74

D47

E72

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Question 1109

jamb 1981

The ratio of the price of a loaf of bread to the price of a packet of sugar in 1975 was r : t. In 1980, the price of a loaf went up by 25% and that of a packet of sugar went up by 10%. Their new ratio is now

A40r:50t

B44r : 50t

C50r : 44t

D44r:55t

E55r:44t

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Question 1110

jamb 1981

If sine x equals cosine x, what is x in radians?

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

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

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

D\(\frac{\pi}{6}\)

E\(\frac{\pi}{12}\)

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Question 1111

jamb 1981

Suppose x varies inversely as y, y varies directly as the square of t and x = 1, when t = 3. Find x when t = \(\frac{1}{3}\).

A81

B27

C\(\frac{1}{9}\)

D\(\frac{1}{27}\)

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

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Question 1112

jamb 1980

Find the area of the shades segments in the figure

A\(\sqrt{3}

B4 \(\pi - \sqrt{3}\)

C-\(\frac{2}{3} \pi\)

D\(\frac{2\pi}{3}\) -3

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Question 1113

jamb 1980

If Sin \(\theta\) = \(\frac{\sqrt{3}}{2}\) and \(\theta\) is less than 90º, calculate \(\frac{tan(90 - \theta)}{cos^2\theta}\)

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

B\(\frac{4}{\sqrt{3}}\)

C\(\sqrt{3}\)

D4\(\sqrt{3}\)

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Question 1114

jamb 1980

In the figure, PS = SR, and Rx is a tangent to the circle at R. < QRX is equal to 72º. Find angle SPR

A20^o

B36^o

C72^o

D30^o

E15^o

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Question 1115

jamb 1980

The angles marked in the figure are measured in degrees. Find x.

A45^o

B90^o

C60^o

D15^o

E30^o

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Question 1116

jamb 1980

In the figure, FGHJ is a circle of radius 3cm centre O. FOH, GOJ are perpendicular diameters. With G as centre of an arc of a circle is drawn to pass through F and H. Find the length of the perimeter of the lunar portion shaded.

A3\(\pi\)\(\sqrt{2 - 1}\)cm

B\(\frac{9}{2}\)\(\pi\)cm

C3 \(\pi\)(1 + \(\frac{2}{2}\))

D3(1 + \(\frac{2}{2}\))

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Question 1117

jamb 1980

fG is a given straight line and H is a fixed point. The construction marks shown in the diagram indicate the

Aperpendicular bisector of the line

Bperpendicular bisector of th eline JK

Cperpendicular bisector of the line HI

Dperpendicular from H to the line FG

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Question 1118

jamb 1980

In the figure, PS bisects angle QPR. Find the ratio SR:QR.

A1:2

B1:3

C1:4

D1:5

E1:6

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Question 1119

jamb 1980

In the figure, If PT is parallel to RS, PQ = PT, and angle SQT = 90o, Find x

A35^o

B50^o

C55^o

D70^o

E80^o

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Question 1120

jamb 1980

In the figure, PQ\\SR, ST\\, ST\\RQ, PS = 7cm, PT = 7cm, SR = 4cm. Find the ratio of the area QRST to the area of PQRS.

A56.77

B56.105

C28:105

D28:49

E56:49

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