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1,853 questions JAMB 2359 WAEC 1853 NECO 179 POST_UTME 6 CUSTOM 10

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1,853 questions

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Question 851

waec 1991

Mrs. Kofi sold an article for C7.50 instead of C12.75. Calculate her percentage of error, correct to one decimal place.

A41.2%

B18.3%

C5.3%

D1.7%

E1.4%

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Question 852

waec 1991

A car is travelling at an average speed of 80km/hr. Its speed in meters per second (m/s) is

A13.3m/s

B22.2m/s

C133.3m/s

D222.2m/s

E1333.3m/s

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Question 853

waec 1991

A headmaster contributes 7% of his income into a fund and his wife contributes 4% of her income. If the husband earns N5,500 per annum (p.a) and the wife earns N4,000 (P.a), find the sum of their annual contribution to the fund

AN1045

BN605

CN545

DN490

EN440

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Question 854

waec 1991

A cylinder of base radius 4cm is open at one end . If the ratio of the area of its base to that of its curved surface is 1:4, calculate the height of the cylinder

A1cm

B2cm

C4cm

D8cm

E16cm

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Question 855

waec 1991

If 2x + y = 7 and 3x - 2y = 3, by how much is 7x greater than 10?

D10

E17

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Question 856

waec 1991

Solve: 6(x - 4) + 3(x + 7) = 3

A3/2

B2/3

C1/2

D1/3

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Question 857

waec 1991

Find the equation whose roots are -2/3 and -1/4

A12x² + 11x + 2 = 0

B12x² - 11x + 2 = 0

Cx² - 11/12x + 2 = 0

D12x² - 11x - 2 = 0

Ex² - 11/12x - 2 = 0

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Question 858

waec 1991

Simplify: \(\frac{1}{4}(2^n - 2^{n + 2}\))

A\(2^{n - 2} - 2^n\)

B\(2^{n-2}(1-2^n\))

C\(2^n + 2^{2 + n}\)

D\(2^{2n}\)

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Question 859

waec 1991

Simplify \((\frac{3}{x} - \frac{15}{2y}) \div \frac{6}{xy}\)

A\(\frac{2y - 5x}{4}\)

B\(\frac{9(2x - 5x)}{x^2y^2}\)

C\(\frac{5x - 2y}{2}\)

D\(\frac{c^2y^2}{18y - 45x}\)

E\(\frac{4}{2y - 5x}\)

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Question 860

waec 1991

Solve the equation: 3a + 10 = a\(^2\)

Aa = 5 or a = 2

Ba = -5 or a = 2

Ca = 10 or a = 0

Da = 5 or a = 0

Ea = 5 or a = -2

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Question 861

waec 1991

Factorize 3a\(^2\) - 11a + 6

A(3a - 2)(a - 3)

B(2a -2)(a - 3)

C(3a - 2)(a + 3)

D(3a + 2)(a - 3)

E(2a-3)(a + 2)

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Question 862

waec 1991

For what value of y is the expression \(\frac{y + 2}{y^{2} - 3y - 10}\) undefined?

Ay = 0

By = 2

Cy = 3

Dy = 5

Ey = 10

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Question 863

waec 1991

Simplify: \((\frac{1}{4})^{-1\frac{1}{2}}\)

A1/8

B1/4

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Question 864

waec 1991

Find the number whose logarithm to base 10 is 2.6025

A400.4

B0.4004

C0.04004

D0.004004

E0.0004004

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Question 865

waec 1991

Simplify: log6 + log2 - log12

A-4

B-1

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Question 866

waec 1991

The population of a village is 5846. Express this number to three significant figures

A5850

B5846

C5840

D585

E584

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Question 867

waec 1991

Express 0.0462 in standard form

A0.462 x 10^-1

B0.462 x 10^-2

C4.62 x 10^-1

D4.62 x 10^-2

E4.62 x 10³

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Question 868

waec 1990

The annual salary of Mr. Johnson Mohammed for 1989 was N12,000.00. He spent this on agriculture projects, education of his children, food items, saving , maintenance and miscellaneous items as shown in the pie chart

How much did he spend on food items?

AN9,700.00

BN6,700.00

CN2,000.00

DN4,000.00

EN2,300.00

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Question 869

waec 1990

Two groups of male students cast their vote on a particular proposal. The results are as follows:

	In favor	Against
Group A	128	32
Group B	96	48

If a student is chosen at random, what is probability that he is against the proposal?

A3/19

B4/19

C5/19

D9/19

E10/19

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Question 870

waec 1990

Two groups of male students cast their votes on a particular proposal. The result are as follows:

	In favor	Against
Group A	128	32
Group B	96	48

If a student in favor of the proposal is selected for a post, what is the probability that he is from group A?

A8/19

B16/35

C10/19

D4/7

E4/5

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