Mathematics Past Questions

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Past Questions

2,359 questions
Question 1 of 20 2,359 total questions
Question 311
jamb 2015

X and Y are two sets such that n(X) = 15, n(Y) = 12 and n{X ∩ Y} = 7. Find ∩{X ∪ Y}

A21
B225
C15
D20
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Question 312
jamb 2015

If three staff of Myschool Limited agreed to share their salary arrears in the ration of their ages, which are 18 years, 20 years, 22 years respectively. If the sum of the money collected is N120,000.00K, How much does the second staff received?

AN36,000
BN44,000
CN40,000
DN15,000
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Question 313
jamb 2015
Factorize x2 + 9x + 20
A(x − 5) 2
B(x + 5)(x + 4)
C(x – 5)(x + 3)
D(x + 3) 2
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Question 314
jamb 2015
Simplify 1¼ ÷ (2 ÷ ¼ of 28)
A1 \( \frac{3}{8}\)
B2 \( \frac{3}{4}\)
C4 \( \frac{3}{8}\)
D3 \( \frac{1}{5}\)
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Question 315
jamb 2015

In a town of 6250 inhabitants, there were 62 births during 1984. Find the percentage birth rate

A3%
B1.0%
C2.5%
D5.40%
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Question 316
jamb 2014

If the angle of a sector of a circle with radius 10.5 cm is 120°, find the perimeter of the sector. [Take \(\pi = \frac{22}{7}\)]

A48 cm
B40 cm
C43 cm
D45 cm
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Question 317
jamb 2014
The pie chart above shows the monthly distribution of a man's salary on food items. If he spent N8,000 on rice, how much did he spent on yam?
AN42,000
BN18,000
CN16,000
DN12,000
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Question 318
jamb 2014

in the figure above, what is the equation of the line that passes the y-axis at (0,5) and passes the x-axis at (5,0)?

Ay = x + 5
By = -x + 5
Cy = x - 5
Dy = -x - 5
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Question 319
jamb 2014
Find the value of x in the figure above
A20\(\sqrt{3}\)cm
B10\(\sqrt{3}\)cm
C5\(\sqrt{3}\)cm
D4\(\sqrt{3}\)cm
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Question 320
jamb 2014
From the figure above, what is the value of p?
A135o
B90o
C60o
D45o
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Question 321
jamb 2014
In the figure above, KL//NM, LN bisects < KNM. If angles KLN is 54o and angle MKN is 35o, calculate the size of angle KMN.
A91o
B89o
C37o
D19o
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Question 322
jamb 2014
From the venn diagram above, the shaded parts represent
A(P\(\cap\)Q)\(\cup\)(P\(\cap\)R)
B(P\(\cup\)Q)\(\cap\)(P\(\cap\)R)
C(P\(\cup\)Q)\(\cup\)(P\(\cup\)R)
D(P\(\cap\)Q)\(\cup\)(P\(\cup\)R)
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Question 323
jamb 2014

A number is chosen at random from 10 to 30 both inclusive. What is the probability that the number is divisible by 3?

A\(\frac{2}{15}\)
B\(\frac{1}{10}\)
C\(\frac{1}{3}\)
D\(\frac{2}{5}\)
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Question 324
jamb 2014
\(\begin{array}{c|c}
Numbers & 1 & 2 & 3 & 4 & 5 & 6 \\
\hline
Frequency & 18 & 22 & 20 & 16 & 10 & 14
\end{array}\)

The table above represents the outcome of throwing a die 100 times. What is the probability of obtaining at least a 4?
A\(\frac{1}{5}\)
B\(\frac{1}{2}\)
C\(\frac{2}{5}\)
D\(\frac{3}{4}\)
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Question 325
jamb 2014
In how many ways can a team of 3 girls be selected from 7 girls?
A\(\frac{7!}{3!}\)
B\(\frac{7!}{4!}\)
C\(\frac{7!}{3!4!}\)
D\(\frac{7!}{2!5!}\)
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Question 326
jamb 2014
Find the standard deviation of 5, 4, 3, 2, 1
A\(\sqrt{2}\)
B\(\sqrt{3}\)
C\(\sqrt{6}\)
D\(\sqrt{10}\)
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Question 327
jamb 2014
Find the median of 5,9,1,10,3,8,9,2,4,5,5,5,7,3 and 6
A6
B5
C4
D3
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Question 328
jamb 2014

\(\begin{array}{c|c}
Values & 0 & 1 & 2 & 3 & 4 \\
\hline
Frequency & 1 & 2 & 2 & 1 & 9
\end{array}\)

Find the mode of the distribution above

A1
B2
C3
D4
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Question 329
jamb 2014

The mean of 2 - t, 4 + t, 3 - 2t, 2 + t and t - 1 is

At
B-t
C2
D-2
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Question 330
jamb 2014
Evaluate \(\int (2x + 3)^{\frac{1}{2}} \delta x\)
A\(\frac{1}{12} (2x + 3)^6 + k\)
B\(\frac{1}{3} (2x + 3)^{\frac{1}{2}} + k\)
C\(\frac{1}{3} (2x + 3)^{\frac{3}{2}} + k\)
D\(\frac{1}{12} (2x + 3)^{\frac{3}{4}} + k\)
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