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.

45 questions JAMB 2359 WAEC 1853 NECO 179 POST_UTME 6 CUSTOM 10
Download PHP app Ask a Question Check Syllabus Past Question Videos Topic Video Lessons

Take a test

Past Questions

45 questions
Question 1 of 20 45 total questions
Question 11
jamb 1989

Simplify \(\frac{x(x + 1)^{-\frac{1}{2}} - (x + 1)^{\frac{1}{2}}}{(x + 1)^{\frac{1}{2}}}\)

A\(\frac{-1}{x + 1}\)
B\(\frac{1}{x + 1}\)
C\(\frac{1}{x}\)
D\(\frac{1}{x - 1}\)
View Explanation & Discuss
Question 12
jamb 1989

Express \(\frac{1}{x + 1}\) - \(\frac{1}{x - 2}\) as a single algebraic fraction

A\(\frac{-3}{(x + 1)(2 - x)}\)
B\(\frac{3}{(x + 1)(2 - x)}\)
C\(\frac{-1}{(x + 1)}\)
D\(\frac{1}{(x + 1)(x - 2)}\)
View Explanation & Discuss
Question 13
jamb 1989
find the range of values of values of r which satisfies the following inequality, where a, b and c are positive \(\frac{r}{a}\) + \(\frac{r}{b}\) + \(\frac{r}{c}\) > 1
Ar > \(\frac{abc}{bc + ac + ab}\)
Br < abc
Cr > \(\frac{1}{a}\) + \(\frac{1}{b}\) + \(\frac{1}{c}\)
D. \(\frac{1}{abc}\)
View Explanation & Discuss
Question 14
jamb 1989
What value of Q will make the expression 4x2 + 5x + Q a complete square?
A\(\frac{25}{16}\)
B\(\frac{25}{64}\)
C\(\frac{5}{8}\)
D\(\frac{5}{4}\)
View Explanation & Discuss
Question 15
jamb 1989

Solve the pair of equation for x and y respectively \(2x^{-1} - 3y^{-1} = 4; 4x^{-1} + y^{-1} = 1\)

A-1, 2
B1, 2
C2, 1
D2, -1
View Explanation & Discuss
Question 16
jamb 1989
What are K and L respectively if \(\frac{1}{2}\)(3y - 4x)2 = (8x2 + kxy + Ly2)
A-12, \(\frac{9}{2}\)
B-6, 9
C6, 9
D12, \(\frac{9}{2}\)
View Explanation & Discuss
Question 17
jamb 1989
Factorize 4a2 - 12ab - C2 + 9b2
A4a(a - 3b) + (3b - c)2
B(2a + 3b - c)(2a + 3b + c)
C(2a - 3b + c)(2a - 3b - c)
D4a(a - 3b) + (3b + c)
View Explanation & Discuss
Question 18
jamb 1989

Factorize completely \(y^3 -4xy + xy^3 - 4y\)

A(y + xy)(y + 2)(y - 2)
B(y - xy)(y - 2)
Cy(1 + x)(y + 2)(y -2)
Dy(1 - x)(y + 2)(y - 2)
View Explanation & Discuss
Question 19
jamb 1989

Simplify \(\frac{324 - 4x^2}{2x + 18}\)

A2(x - 9)
B2(9 + x)
C81 - x2
D-2(x - 9)
View Explanation & Discuss
Question 20
jamb 1989

Solve for a positive number x such that \(2^{(x^3 - x^2 - 2x)} = 1\)

A4
B3
C2
D1
View Explanation & Discuss
Question 21
jamb 1989

If \(f(x) = 2x^2 - 5x + 3\), find f(x + 1).

A2x2 - x
B2x2 - x + 10
C4x2 + 3x + 2
D4x2 + 3x + 12
View Explanation & Discuss
Question 22
jamb 1989

The cost of dinner for a group of students is partly constant and partly varies directly as the number of students. If the cost is N74.00 when the number of students is 20 and N96.00 when the number of students is 30, find the cost when there are 15 students

AN68.50
BN63.00
CN60.00
DN52.00
View Explanation & Discuss
Question 23
jamb 1989

Make R the subject of the formula S = \(\sqrt{\frac{2R + T}{2RT}}\)

AR = \(\frac{T}{(TS^2 + 1)}\)
BR = \(\frac{T}{2(TS^2 - 1)}\)
CR = \(\frac{T}{2(TS^2 + 1)}\)
DR = \(\frac{R}{2(TS^2 + 1)}\)
View Explanation & Discuss
Question 24
jamb 1989

What are the values of y which satisfy the equation \(9^{y} - 4 \times 3^{y} + 3 = 0\) ?

A-1 and 0
B-1 and 1
C1 and 3
D0 and 1
View Explanation & Discuss
Question 25
jamb 1989

Find p in terms of q if \(\log_{3} p + 3\log_{3} q = 3\)

A(\(\frac{3}{q}\))3
B(\(\frac{q}{3}\))\(\frac{1}{3}\)
C(\(\frac{q}{3}\))3
D(\(\frac{3}{q}\))\(\frac{1}{3}\)
View Explanation & Discuss
Question 26
jamb 1989

Simplify \(4 - \frac{1}{2 - \sqrt{3}}\)

A2\(\sqrt{3}\)
B-2 - \(\sqrt{3}\)
C-2 + \(\sqrt{3}\)
D2 - \(\sqrt{3}\)
View Explanation & Discuss
Question 27
jamb 1989
If the surface area of a sphere increased by 44%, find the percentage increase in diameter
A44
B30
C22
D20
View Explanation & Discuss
Question 28
jamb 1989

Oke deposited N800.00 in the bank at the rate of 12\(\frac{1}{2}\)% simple interest. After some time the total amount was one and half times the principal. For how many years was the money left in the bank?

A2\(\frac{2}{3}\)
B4
C5\(\frac{1}{3}\)
D8
View Explanation & Discuss
Question 29
jamb 1989
If a : b = 5 : 8, x : y = 25 : 16; evaluate \(\frac{a}{x}\) : \(\frac{b}{y}\)
A125 : 128
B3 : 5
C3 : 4
D2 : 5
View Explanation & Discuss
Question 30
jamb 1989
What is the different between 0.007685 correct to three significant figures and 0.007685 correct to four places of decimal?
A10-5
B7 x 10-4
C8 x 10-5
D10-6
View Explanation & Discuss
Question Navigator
Current
MathsFaculty