Mathematics Past Questions

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4,407 questions JAMB 2359 WAEC 1853 NECO 179 POST_UTME 6 CUSTOM 10
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Past Questions

4,407 questions
Question 1 of 20 4,407 total questions
Question 221
jamb 2022

Simplify \(\frac{1}{3-√2}\) in the form of p + q√2

A\(\frac{7}{3}\) - \(\frac{1}{7√2}\)
B\(\frac{7}{3}\) + \(\frac{1}{7√2}\)
C\(\frac{3}{7}\) - \(\frac{1}{7√2}\)
D\(\frac{3}{7}\) + \(\frac{√2}{7}\)
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Question 222
jamb 2022

If sin θ = -  \(\frac{3}{5}\) and θ lies in the third quadrant, find cos θ

A\(\frac{4}{5}\)
B- \(\frac{5}{4}\)
C\(\frac{5}{4}\)
D- \(\frac{4}{5}\)
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Question 223
jamb 2022

If the mean of 2, 5, (x+1), (x+2), 7 and 9 is 6. Find the median 

A5.5
B5
C6.5
D6
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Question 224
jamb 2022

If a fair coin is tossed twice, what is the probability of obtaining at least one head?

A0.25
B0.75
C0.5
D0.33
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Question 225
jamb 2022

The shaded portion in the venn diagram above represents?

AF - (E n F) - (G n F)
BE' n F n G'
CE u F u G
DF
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Question 226
jamb 2022

Evaluate \((101_{two})^3\)

A\(111101_{two}\)
B\(11111101_{two}\)
C\(1111101_{two}\)
D\(11001_{two}\)
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Question 227
jamb 2022

Solve for k in the equation \(\frac{1}{8}^{k+2}\) = 1

A2
B-4
C-2
D4
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Question 228
jamb 2022
What is the value of (1/2)¸¸¸
A1/8
B8
C-8
D6
Question 229
jamb 2022
If y varies directly as x and y=12 when x=3, find y when x=5
A25
B15
C20
D18
Question 230
jamb 2022
The solution set of x¸ - 3x - 10 = 0 is
A{-5, 2}
B{5, 2}
C{-5, -2}
D{5, -2}
Question 231
jamb 2022
Evaluate log3 81
A3
B4
C5
D2
Question 232
post_utme 2022
The solution set of |2x - 1| = 3 is
A{2, -1}
B{-2, 1}
C{2, 1}
D{-2, -1}
Question 233
post_utme 2022
Evaluate the determinant of the matrix [[2,3],[4,5]]
A-2
B2
C10
D22
Question 234
jamb 2022
Angle in degrees: what is the sum of angles in a triangle?
A90 degrees
B180 degrees
C270 degrees
D360 degrees
Question 235
jamb 2022
What is the next number in the sequence: 2, 4, 8, 16, ?
A24
B32
C20
D64
Question 236
jamb 2022
Simplify: 3/4 + 2/5
A23/20
B5/9
C7/20
D17/20
Question 237
jamb 2022
The mean of 5 numbers is 12. If one number is 20, what is the mean of the remaining 4?
A8
B9
C10
D11
Question 238
waec 2021

For what value of x is \(\frac{4 - 2x}{x + 1}\) undefined.

A2
B-1
C1
D-2
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Question 239
waec 2021

The equation of a line is given as 3 x - 5y = 7. Find its gradient (slope)

 

A\(\frac{5}{3}\).
B\(\frac{3}{5}\).
C\(\frac{-3}{5}\).
D\(\frac{-5}{3}\).
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Question 240
waec 2021

A man will be (x+10)years old in 8years time. If 2years ago he was 63 years., find the value of x

A55
B63
C57
D67
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