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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 1071

jamb 1982

The quantity y is partly constant and partly varies inversely as the square of x. With P and Q as constants, a possible relationship between x and y is

Ay = Q + \(\frac{P}{x^2}\)

By = Q + px

Cy = \(\frac{PQ}{x^2}\)

Dy = Q - \(\frac{P}{x^2}\)

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Question 1072

jamb 1982

Express 130 kilometers per second in meters per hour

A7.8 x 10^-5

B4.68 x 10⁶

C7,800,000

D4.68 x 10⁸

E7.80 x 10⁵

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Question 1073

jamb 1982

A stone Q is tied to a point P vertically above Q by an inelastic string of length 2 meters. How high does the stone rise when the string is inclined at an angle 60^o to the vertical?

AIt does not rise

B2\(\sqrt{3}\) meters

C3 meters

D1 meters

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Question 1074

jamb 1982

Find the values of x for which the expression \(\frac{(x - 3)(x - 2)}{x^2 + x - 2}\) is undefined?

A1, -2

B-1, 2

C2, 3

D-1. -2

E-2, -3

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Question 1075

jamb 1982

Express 37.05 x 0.0042 in standard form

A15.561 x 10²

B1.5561 x 10^-4

C1.556 x 10^-1

D1.5561 x 10¹

E1.55 x 10¹

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Question 1076

jamb 1982

Solve for x, If \(\frac{\frac{2}{x}}{\frac{1}{p^2} + \frac{1}{q^2}}\) = m

A\(\frac{4pq}{m(p + q)}\)

B\(\frac{2p^2q^2}{m(q^2 + p^2)}\)

C\(\frac{2pq}{m(q^2 + p^2)}\)

D\(\frac{2p^2q^2}{m(p^2)}\)

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Question 1077

jamb 1982

The currency used in a country is called 'Matimalik'(M) and is of base seven. A lady in that country bought 4 bags of rice at M56 per bag and and 3 tins of milk at M4 per tin. What is the total cost of the item she bought?

AM246₇

BM242₇

CM236₇

DM341₇

EM338₇

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Question 1078

jamb 1982

If sin \(\theta\) = \(\frac{m - n}{m + n}\); Find the value of 1 + tan2\(\theta\)

A\(\frac{(m^2 + n^2)}{m + n}\)

B\(\frac{(m^2 + n^2 + 2mn)}{4mn}\)

C\(\frac{2(m^2 + n^2 + mn)}{m + n}\)

D\(\frac{(m^2 + n^2 + mn)}{m + n}\)

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Question 1079

jamb 1982

Given that p:q = \(\frac{1}{3}\):\(\frac{1}{2}\) and q:r = \(\frac{2}{5}\): \(\frac{4}{7}\) find p:r

A4:105

B7:15

C20:21

D2:35

E3:20

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Question 1080

jamb 1982

A sector of a circle is bounded by two radii 7cm long and an arc length 6cm. Find the area of the sector.

A42cm²

B3cm²

C21cm²

D24cm²

E12cm²

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Question 1081

jamb 1982

If f(x - 2) = 3\(x^2\) + 4x + 1. Find (1).

B40

D24

E32

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Question 1082

jamb 1982

Find the median of the set set of numbers 110, 116, 113, 119, 118, 127, 118, 117, 113

A117.5

B118

C117

D116

E113

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Question 1083

jamb 1982

A man bought wrist watch for N150 but was only able to sell it for N120. Find the loss per cent on the transaction

A25%

B11%

C20%

D80%

E30%

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Question 1084

jamb 1982

What is the least possible value of \(\frac{9}{1 + 2x^2}\) if 0 \(\geq\) x \(\geq\) 2?

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Question 1085

jamb 1982

Which of the following lines is not parallel to the line 3y + 2x + 7 = 0?

A3y + 2x - 7 = 0

B9y + 6x + 17 = 0

C24y + 16x + 19 = 0

D3y - 2x + 7 = 0

E15y + 10x - 13 = 0

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Question 1086

jamb 1982

Find \(\alpha\) and \(\beta\) such that x\(\frac{3}{8}\) x y\(\frac{-6}{7}\) x (\(\frac{y^{\frac{9}{7}}}{x^{\frac{45}{8}}}\))\(\frac{1}{9}\) = \(\frac{x^{\alpha}}{y^{\beta}}\)

A\(\alpha\) = 1, \(\beta\) = \(\frac{5}{7}\)

B\(\alpha\)= 1, \(\beta\) = -\(\frac{5}{7}\)

C\(\alpha\)= \(\frac{3}{5}\), \(\beta\) = -6

D\(\alpha\)= 1, \(\beta\) = -\(\frac{3}{5}\)

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Question 1087

jamb 1982

Write the equation 2 log2x - x log2(1 + y) = 3 in a form not involving logarithms

A2^x(1 + y) = 3

B2^x - x(1 + y) = 8

Cx² = 8(1 + y)^x

Dx² - x(1 + y) = 8

Ex² - (1 + y)² = 8

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Question 1088

jamb 1982

The graphical method of solving the equation x3 + 3x2 + 4x - 28 = 0 is by drawing the graphs of the curves

Ay = x³ and y = 3x² + x - 28

By = x³ + 3x² + 4x + 4 and the line y = \(\frac{28}{x}\)

Cy = x³ + 3x² + 4x and y

Dy = x² + 3x + 4 and y = \(\frac{28}{x}\)

Ey = x² + 3x + 4 and line y = 28x

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Question 1089

jamb 1982

The solution of the quadratic equation bx\(^2\) + cx + a = 0 is given by

Ax = b \(\pm\) \(\frac{\sqrt{b^2 - 4ac}}{2a}\)

Bx = c \(\pm\) \(\frac{\sqrt{b^2 - 4ab}}{2b}\)

Cx = -c \(\pm\) \(\frac{\sqrt{c^2 - 4ab}}{2b}\)

Dx = -b \(\pm\) \(\frac{\sqrt{b^2 - 4ac}}{2b}\)

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Question 1090

jamb 1982

The factors of 6x - 5 - x2 are

A-(x + 3)(x + 2)

B(x + 5)(x + 1)

C(x - 5)(1 - x)

D(x + 1)(x + 5)

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