JAMB Mathematics Past Questions — Free Practice

Mathematics JAMB 2004 Q5 ✓ Answer: C

Three teachers shared a packet of chalk. The first teacher got 2/5 of the chalk and the second teacher received 2/15 of the remainder. What fraction did the third teacher receive?

A

11/25

B

12/25

C

13/25

D

8/15

Mathematics JAMB 2004 Q7 ✓ Answer: C

Simplify 1/√3 + 2 in the form a + b√3

A

-2 - 3

B

–2+ 3

C

2- 3

D

2+ 3

Mathematics JAMB 2004 Q8 ✓ Answer: D

If 6logx2 – 3logx3 = 3log50.2, find x.

A

3/8

B

¾

C

4/3

D

8/3 Q P

Mathematics JAMB 2004 Q9 ✓ Answer: D

R The shaded region in the venn diagram above

A

Pc ∩(QR)B. P∩Q

C

Pc U(Q∩R)

D

Pc∩ (QUR)

Mathematics JAMB 2004 Q11 ✓ Answer: A

Find the values of x where the curve y = x3 + 2x2 – 5x – 6 crosses the x-axis.

A

-2, -1 and 3

B

-2, 1 and –3

C

2, -1 and –3

D

2, 1 and 3

Mathematics JAMB 2004 Q13 ✓ Answer: D

Factorize completely ac – 2bc – a2 + 4b2

A

(a – 2b)(c + a – 2b)

B

(a – 2b)(c - a – 2b)

C

(a – 2b)(c + a + 2b)

D

(a – 2b)(c - a + 2b)

Mathematics JAMB 2004 Q15 ✓ Answer: D

The length L of a simple pendulum varies directly as the square of its period T. if a pendulum with period 4 secs is 64cm long, find the length of a pendulum whose period is 9 sec.

A

36cm

B

96ccm

C

144cm

D

324cm

Mathematics JAMB 2004 Q16 ✓ Answer: A

x The shaded area in the diagram above is represented by

A

{(x, y) : y + 3x < 6}

B

{(x, y) : y + 3x < - 6}

C

{(x, y) : y - 3x < 6}

D

{(x, y) : y - 3x < - 6}

Mathematics JAMB 2004 Q17 ✓ Answer: C

What are the integral values of x which satisfy the inequality –1 < 3 – 2x ≤ 5?

A

-2, 1, 0, -1

B

-1, 0, 1, 2

C

-1, 0, 1,

D

0, 1, 2

Mathematics JAMB 2004 Q22 ✓ Answer: B

The inverse of the matrix (2 1) (1 1) is

A

(1 1)

B

(1 -1) (-1 2) (1 2)

C

(1 1)

D

(1 -1) (1 2) (-1 2)

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