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Mathematics Past Questions

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62 questions JAMB 2359 WAEC 1853 NECO 179 POST_UTME 6 CUSTOM 10

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62 questions

Question 1 of 20 62 total questions

Question 21

jamb 2015

Find the simple interest on N325 in 5years at 3% per annum.

AN48.75K

BN50.10K

CN75.50K

DN15.75K

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Question 22

jamb 2015

If A = (−3,5) and B = (4,−1) find the co-ordinate of the mid point

A2, ½

B½ , 2

C1, ½

D0, 2

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Question 23

jamb 2015

Factorize \( x^2 − 2x − 15 \)

A(x + 3)²

B(x + 5)(x − 3)

C(x − 5)²

D(x − 5)(x + 3)

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Question 24

jamb 2015

The extension of a stretched string is directly proportional to its tension. If the extension produced by a tension of 8 Newton’s is 2cm, find the extension produced by a tension of 12 newton’s.

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Question 25

jamb 2015

Given that A = {1, 5, 7}

B = {3, 9, 12, 15}

C = {2, 4, 6, 8}

Find (A ∪ B) ∪ C

A{1, 2, 3, 4, 5, 6, 7, 8, 9, 12, 15}

B{1, 2, 3, 5, 6, 8, 12, 15}

C{2, 4, 5, 9, 12, 15}

D{1, 5, 6, 7, 8, 9, 12, 15}

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Question 26

jamb 2015

Find at which rate per annum simple interest N525 will amount to N588 in 3 years.

A3%

B2%

C5%

D4%

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Question 27

jamb 2015

If log₅20 = x, find x

A1.761

B1.354

C1.861

D2.549

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Question 28

jamb 2015

Make x the subject of the equation
s = 2 + \(\frac{t}{5} \)(x + ⅗y)

Ax = 5[(s − 2) ÷ t] - 3/5y

Bx = 25[(s − 2) ÷ t] − 3ty

Cx = [1 ÷ (s − 2)3ty]

Dx = [5(s − 2) 2 ÷ 3ty] × t

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Question 29

jamb 2015

The amount A to which a principal P amounts at r% compound interest for n years is given by the formula A = P(1 + (r ÷ 100)\(^n\). Find A, if P = 126, r = 4 and n = 2.

AN132.50K

BN136.30K

CN125.40K

DN257.42K

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Question 30

jamb 2015

Find the equation of a line which is form origin and passes through the point (−3, −4)

Ay = \( \frac{3x}{4} \)

By = \( \frac{4x}{3} \)

Cy = \( \frac{2x}{3} \)

Dy = \( \frac{x}{2} \)

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Question 31

jamb 2015

The first and last term of a linear sequence (AP) are 6 and 10 respectively. If the sum of the sequence is 40. Find the number of terms

Anth = 3

Bnth = 4

Cnth = 5

Dnth = 6

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Question 32

jamb 2015

Solve the equation \( 3x^2 − 4x − 5 = 0 \)

Ax = 1.75 or − 0.15

Bx = 2.12 or − 0.79

Cx = 1.5 or − 0.34

Dx = 2.35 or −1.23

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Question 33

jamb 2015

A man with an annual salary of N2000, has allowances of N600. If Income Tax is 5%. How much income tax expenses does he pay each year?

A15

B50

C70

D25

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Question 34

jamb 2015

If x + y = 90 simplify \((sinx + siny)^2\)−2sinxsiny

D-1

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Question 35

jamb 2015

Find the total surface area of a cylinder of base radius 5cm and length 7cm ( π = 3.14)

A17.8cm²

B15.8cm²

C75.4cm²

D54.7cm²

E\(377.0cm^{2}\)

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Question 36

jamb 2015

Simplify log₁₀1.5 + 3 log₁₀2 − log₁₀0.3

Alog₁₀4

Blog₁₀40

Clog₁₀-40

Dlog₁₀4^-

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Question 37

jamb 2015

Find the x and z intercepts of the graph of 3x - z \(\leq\) 9

A(3, -9)

B(-3, 9)

C(-3, -9)

D(-3, 0)

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Question 38

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 39

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 40

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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