Mathematics Past Questions | JAMB, WAEC, NECO and Post UTME Past Questions


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Question 5121

A box contains two red balls and four blue balls. A ball is drawn at random from the box and then replaced before a second ball is drawn. Find the probability of drawing two red balls.

Options

A) \(\frac{2}{3}\)

B) \(\frac{1}{3}\)

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

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

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Question 5122

Which one of the following gives the members of the set Ac \(\cap\) B \(\cap\) C?

Options

A) Φ

B) {s}

C) {t, u}

D) {y, z}

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Question 5123

If P = [\(\frac{Q(R - T)}{15}\)] \(^{\frac{1}{3}}\) make T the subject of the relation

Options

A) T = \(\frac{R + P^3}{15Q}\)

B) T = \(\frac{R - 15P^3}{Q}\)

C) T = \(\frac{R - 15P^3}{Q}\)

D) T = \(\frac{15R - Q}{P^3}\)

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Question 5124

Calculate the area of an equilateral triangle of side 8cm

Options

A) 8√3

B) 16

C) 4√3

D) 16√3

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Question 5125

The pie chart shows the monthly expenditure of a public servant. The monthly expenditure on housing is twice that of school fees. How much does the worker spend on housing if his monthly income is ₦7200?

Options

A) ₦1000

B) ₦2000

C) ₦3000

D) ₦4000

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Question 5126

Approximate 0.9875 to 1 decimal place.

Options

A) 1.1

B) 1.0

C) 0.9

D) 0.10

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Question 5127

Simplify 25\(^\frac{1}{2}\) × 8\(^\frac{-2}{3}\)

Options

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

B) 2\(\frac{1}{4}\)

C) 6

D) 10

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Question 5128

Add 54 \(_{eight}\) and 67\(_{eight}\) giving your answers in base eight

Options

A) 111

B) 121

C) 123

D) 143

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Question 5129

Make q the subject of the formula in the equation \(\frac{mn}{a^2} - \frac{pq}{b^2} = 1\)

Options

A) \(q = \frac{b^2(mn - a^2)}{a^2 p}\)

B) \(q = \frac{m^2 n - a^2}{p^2}\)

C) \(q = \frac{mn - 2b^2}{a^2}\)

D) \(q = \frac{b^2 (n^2 - ma^2)}{n}\)

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Question 5130

The angle of elevation of the top of a tree from a point on the ground 60m away from the foot of the tree is 78°. Find the height of the tree correct to the nearest whole number.

Options

A) 148m

B) 382m

C) 282m

D) 248m

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