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Mathematics Past Questions

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111 questions JAMB 2359 WAEC 1853 NECO 179 POST_UTME 6 CUSTOM 10

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111 questions

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Question 51

jamb 1998

Make \(\frac{a}{x}\) the subject of formula \(\frac{x + a}{x - a}\) = m

A\(\frac{m - 1}{m + 1}\)

B\(\frac{m + 1}{1 - m}\)

C\(\frac{1 - m}{1 + m}\)

D\(\frac{m + 1}{m - 1}\)

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Question 52

jamb 1998

Solve for the equation \(\sqrt{x}\) - \(\sqrt{(x - 2)}\) - 1 = 0

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

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

C\(\frac{4}{9}\)

D\(\frac{9}{4}\)

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Question 53

jamb 1998

Factorize r2 - r(2p + q) + 2pq

A(r - 2q)(2r - p)

B(r - p)(r + p0

C(r - q)(r - 2p)

D(2r - q)(r + p)

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Question 54

jamb 1998

When the expression pm\(^2\) + qm + 1 is divided by (m - 1), it has a remainder is 2, and when divided by (m + 1), the remainder is 4. Find p and q respectively

A2, -1

B-1, 2

C3, -2

D-2, 3

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Question 55

jamb 1998

A man is paid r naira per hour for normal work and double rate for overtime. if he does a 35-hour week which includes q hours of overtime, what is his weekly earning in naira?

Ar(35 + q)

Bq(35r - q)

Cq(35 + r)

Dr(35 + 2q)

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Question 56

jamb 1998

A market woman sells oil in cylindrical tins 10cm deep and 6cm in diameter at N15.00 each. If she bought a full cylindrical jug 18cm deep and 10cm in diameter for N50.00, how much did she make by selling all the oil?

AN62.50

BN35.00

CN31.00

DN25.00

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Question 57

jamb 1998

Find the value of k if \(\frac{k}{\sqrt{3} + \sqrt{2}}\) = k\(\sqrt{3 - 2}\)

C\(\sqrt{3}\)

D\(\sqrt 2\)

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Question 58

jamb 1998

Given that log₄(Y - 1) + log₄(\(\frac{1}{2}\)x) = 1 and log₂(y + 1) + log₂x = 2, solve for x and y respectively

A2, 3

B3, 2

C-2, -3

D-3, -2

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Question 59

jamb 1998

If \(b^3\) = \(a^{-2}\) and \(c^{\frac{1}{3}}\) = \(a^\frac{1}{2}\)b, express c in terms of a

Aa^{-\(\frac{1}{2}\)}

Ba^{\(\frac{1}{3}\)}

Ca^{\(\frac{3}{2}\)}

Da^{\(\frac{2}{3}\)}

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Question 60

jamb 1998

Evaluate [\(\frac{1}{0.03}\) \(\div\) \(\frac{1}{0.024}\)]^-1 correct to 2 decimal places

A3.76

B1.25

C0.94

D0.75

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Question 61

jamb 1998

If \(1011_2\) + \(X_7\) = \(25_{10}\), solve for X.

A20₇

B\(14_7\)

C\(25_7\)

D\(24_7\)

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