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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 1771

jamb 1992

Find the sum to infinity to the following series 3 + 2 + \(\frac{4}{3}\) + \(\frac{8}{9}\) + \(\frac{16}{17}\) + .....

A1270

B190

C18

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Question 1772

jamb 1992

Find all values of x satisfying the inequality -11 \(\leq\) 4 - 3x \(\leq\) 28

A-5 \(\leq\) x \(\geq\) 8

B5 \(\leq\) x \(\leq\) 8

C-8 \(\leq\) x \(\leq\) 5

D-5 < x \(\leq\) 8

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Question 1773

jamb 1992

Resolve \(\frac{3}{x^2 + x - 2}\) into partial fractions

A\(\frac{1}{x - 1} - \frac{1}{x + 2}\)

B\(\frac{1}{x + 1} + \frac{1}{x - 2}\)

C\(\frac{1}{x + 1} - \frac{1}{x - 2}\)

D\(\frac{1}{x - 2} + \frac{1}{x + 2}\)

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Question 1774

jamb 1992

If x + 1 is a factor of x³ + 3x² + kx + 4, find the value of k

B-6

D-8

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Question 1775

jamb 1992

A man invested a sum of N280.00 partly at 5% and partly at 4%. if the total interest is N12.80 per annum, find the amount invested at 5%

A14.00

B120.00

C140.00

D160.00

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Question 1776

jamb 1992

Make t the subject of formula S = ut + \(\frac{1}{2} at^2\)

A\(\frac{1}{a}\) (-u + \(\sqrt{U^2 - 2as}\))

B\(\frac{1}{a}\) {u \(\pm\) (U² - 2as)}

C\(\frac{1}{a}\) {u \(\pm\) \(\sqrt{2as}\)}

D\(\frac{1}{a}\) {-u + \(\sqrt{( 2as)}\)}

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Question 1777

jamb 1992

Solve the equation: \(y - 11\sqrt{y} + 24 = 0\)

A8, 3

B64, 9

C6, 4

D9, -8

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Question 1778

jamb 1992

Factorize \(9p^2 - q^2 + 6qr - 9r^2\)

A(3p - 3q + r)(3p - q - 3r)

B(6p - 3q - 3r)(3p - q - 4r)

C(3p - q + 3r)(3p + q - 3r)

D(3q - p + 3r)(3q - p + 3r)

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Question 1779

jamb 1992

If U = (1, 2, 3, 6, 7, 8, 9, 10) is the universal set. E = (10, 4, 6, 8, 10) and F = {x: 1x\(^2\) = 2\(^6\), x is odd}. Find (E ∩ F)', where ' means the complement of a set.

A(0)

C(8)

D\(\phi\)

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Question 1780

jamb 1992

If x = (all prime factors of 44) and y = (all prime factors of 60), the elements of X ∪ Y and X ∩ Y respectively are

A(2, 4, 3, 5, 11) and (4)

B(4, 3, 5, 11) and (3, 4)

C(2, 5, 11) and (2)

D(2, 3, 5, 11) and (2)

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Question 1781

jamb 1992

If x = 3 - \(\sqrt{3}\), find x² + \(\frac{36}{x^2}\)

B18

C24

D27

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Question 1782

jamb 1992

Simplify 5\(\sqrt{18}\) - 3\(\sqrt{72}\) + 4\(\sqrt{50}\)

A17\(\sqrt{4}\)

B4\(\sqrt{17}\)

C17\(\sqrt{2}\)

D12\(\sqrt{4}\)

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Question 1783

jamb 1992

Simplify \(\frac{(1.25 \times 10^{-4}) \times (2.0 \times 10^{-1})}{(6.25 \times 10^5)}\)

A4.0 x 10^-11

B5.0 x 10^-2

C2.0 x 10^-1

D5.0 x 10^-3

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Question 1784

jamb 1992

What is the value of x satisfying the equation \(\frac{4^{2x}}{4^{3x}}\) = 2?

A-2

B-\(\frac{1}{2}\)

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

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Question 1785

jamb 1992

Evaluate \(\log_{b} a^{n}\) if \(b = a^{\frac{1}{n}}\).

An²

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

D\(\frac{1}{n^2}\)

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Question 1786

jamb 1992

The radius of a circle is given as 5cm subject to an error of 0.1cm. What is the percentage error in the area of the circle?

A\(\frac{1}{25}\)

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

D25

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Question 1787

jamb 1992

Find n if 34_n = 10011₂

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Question 1788

waec 1991

In the diagram above , |AD| = 10cm, |DC| = 8cm and |CF| = 15cm. Which of the following is correct?

AArea BCF = Area DCF

BArea ADE = Area ADF

CArea ADE = Area DCFE

DArea CBF = Area DABC

EArea DABO = Area CFEO

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Question 1789

waec 1991

In the diagram above , |AD| = 10cm, |DC| = 8cm and |CF| = 15cmIf the area of triangle DCF = 24cm², find the area of the quadrilateral ABCD.

A24cm²

B48cm²

C80cm²

D96cm²

E120cm²

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Question 1790

waec 1991

In the diagram above, PQ and XY are two concentric arc; center O, the ratio of the length of the two arc is 1:3, find the ratio of the areas of the two sectors OPQ and OXY

A1:3

B1:6

C1:9

D2:3

E4:9

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