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Mathematics Past Questions

Study and practice Mathematics past questions with answers and detailed explanations. Then test your knowledge using our interactive CBT practice platform and prepare confidently for your upcoming examinations.

47 questions JAMB 2359 WAEC 1853 NECO 179 POST_UTME 6 CUSTOM 10
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Past Questions

47 questions
All JAMB WAEC NECO POST_UTME CUSTOM
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Question 1 of 20 47 total questions
Question 11
jamb 1987

Three angles of a nonagon are equal and the sum of six other angles is 1110o. Calculate the size of one of the equal angles

A210o
B150o
C105o
D50o
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Question 12
jamb 1987
Find the eleventh term of the progression 4, 8, 16.....
A213
B212
C211
D210
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Question 13
jamb 1987

The minimum value of y in the equation y = x\(^2\) - 6x + 8 is

A8
B3
C7
D-1
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Question 14
jamb 1987

Simplify \(\frac{x^2 - y^2}{2x^2 + xy - y^2}\)

A\(\frac{x + y}{2x + y}\)
B\(\frac{x + y}{2x - y}\)
C\(\frac{x - y}{2x - y}\)
D\(\frac{x - y}{2x + y}\)
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Question 15
jamb 1987
Solve the inequality x - 1 > 4(x + 2)
Ax > -3
Bx < -3
C2 < x < 3
D-3 < x < -2
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Question 16
jamb 1987
An (n - 2)2 sided figure has n diagonals. Find the number n diagonals for 25-sided figure
A7
B8
C9
D10
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Question 17
jamb 1987

Find the values of y which satisfy the simultaneous equations x + y = 5, x2 - 2y2 = 1

A-12, -2
B-12, 12
C-12, +2
D2, -2
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Question 18
jamb 1987
Factorize 62x + 1 + 7(6x) - 5
A[3(6x) - 5][2(6x)m + 1]
B[3(6x) + 5][2(6x) - 1]
C[(6x) - 5][3(6x) + 1]
D[2(6x) + 5][3(6x) - 1]
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Question 19
jamb 1987
Find the values of m which make the following quadratic function a perfect square. x2 + 2(m + 1)x + m + 3
A-1, 1
B-1, 2
C1, -2
D2, -2
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Question 20
jamb 1987

Make y the subject of the formula Z = x\(^2\) + \(\frac{1}{y^3}\)

Ay = \(\frac{1}{(Z - x^2)^3}\)
By = \(\frac{1}{(Z + x^2)^{\frac{1}{3}}}\)
Cy = \(\frac{1}{(Z - x^2)^{\frac{1}{3}}}\)
Dy = \(\frac{1}{\sqrt[3]{Z} - \sqrt[3]{x^2}}\)
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Question 21
jamb 1987
If P varies inversely as V and V varies directly as R2, find the relationship between P and R given that R = 7 when P = 2
AP = 98R2
BPR2 = 98
CP = \(\frac{1}{98R2
DP = \(\frac{PR2}{98}\)
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Question 22
jamb 1987

The formula Q = 1.5 + 0.5n gives the cost Q(in Naira)of feeding n people for a week. Find (in kobo) the extra cost of feeding one additional person

A350k
B200k
C150k
D50k
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Question 23
jamb 1987

If a = u\(^2\) - 3v\(^2\) and b = 2uv + v\(^2\) evaluate (2a - b)(a - b\(^2\)), when u = 1 and v = -1

A9
B15
C27
D33
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Question 24
jamb 1987

If P = \(\frac{\frac{2}{3}({1 - r^2})}{n^2}\), find n when r = \(\sqrt{\frac{1}{3}}\) and p = 1

A\(\frac{3}{2}\)
B\(\frac{1}{3}\)
C3
D\(\frac{2}{3}\)
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Question 25
jamb 1987

Simplify without using tables \(\frac{2\sqrt{14} \times 3\sqrt{21}}{7\sqrt{24} \times 2\sqrt{98}}\)

A\(\frac{3\sqrt{14}}{4}\)
B\(\frac{3\sqrt{2}}{4}\)
C\(\frac{3\sqrt{14}}{28}\)
D\(\frac{3\sqrt{2}}{28}\)
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Question 26
jamb 1987

Simplify without using tables \(\frac{Log_26 - Log_23}{Log_28 - 2Log_2\frac{1}{2}}\)

A\(\frac{1}{5}\)
B\(\frac{1}{2}\)
C\(\frac{-1}{2}\)
D\(\frac{log_23}{log_27}\)
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Question 27
jamb 1987
Evaluate without using tables (0.008) -\(\frac{1}{3}\) x (0.16) - \(\frac{3}{2}\)
A\(\frac{625}{8}\)
B\(\frac{8}{625}\)
C\(\frac{1}{8}\)
D8
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Question 28
jamb 1987
Four boys and ten girls can cut a field in 5 hours if the boys work at \(\frac{5}{4}\) the rate at which the girls work. How many boys will be needed to cut the field in 3 hours?
A180
B60
C25
D20
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Question 29
jamb 1987

By selling 20 oranges for N1.35 a trader makes a profit of 8%. What is his percentage gain or loss if he sells the same 20 oranges for N1.10?

A8%
B10%
C12%
D15%
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Question 30
jamb 1987
A man invests a sum of money at 4% per annum simple invest. After 3 years, the principal amounts to N7,000.00. Find the sum invested
AN7,840
BN6,250.00
CN616.00
DN5,833.33
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