Mathematics 2018 Past Questions | JAMB

Study the following Mathematics past questions and answers for JAMBWAEC  NECO and Post-JAMB. Get prepared with official past questions and answers for upcoming examinations.

41. 

The table below shows the frequency of children of age x years in a hospital:

x12345678
f34567654

Use the table to answer the question below:

How many children are in the hospital

  • A. 36
  • B. 40
  • C. 44
  • D. 50

42.math 4

The figure below is a Venn diagram showing the elements arranged within sets A,B,C,ε.
Use the figure to answer this question

What is n(A U B)1 ?

  • A. 2
  • B. 3
  • C. 4
  • D. 7

43. What is the loci of a distance 4cm from a given point P?

  • A. A straight line of length 4cm
  • B. a circle of radius 4cm
  • C. perpendicular to point P at 4cm
  • D. a circle of diameter 4cm

44Given that Sin (5\(_x\) − 28)\(^o\) = Cos(3\(_x\) − 50)\(^o\), O\(_x\) < 90\(^o\)

Find the value of x

  • A. 14\(^o\)
  • B. 21\(^o\)
  • C. 32\(^o\)
  • D. 39\(^o\)

45Find the average of the first four prime numbers greater than 10

  • A. 20
  • B. 19
  • C. 17
  • D. 15

46. Find the average of the first four prime numbers greater than 10

  • A. 20
  • B. 19
  • C. 17
  • D. 15

47. Convert 0.04945 to two significant figures

  • A. 0.040
  • B. 0.049
  • C. 0.050
  • D. 0.49

48.  Calculate 243\(_{six}\) – 243\(_{five}\) expressing your answer in base 10

  • A. 0
  • B. 1
  • C. 26
  • D. 46

49.  Evaluate ∫\(^2_1\) \(\frac{5}{x}\) dx

  • A. 1.47
  • B. 2.67
  • C. 3.23
  • D. 3.47

50. Tossing a coin and rolling a die are two separate events. What is the probability of obtaining a tail on the coin and an even number on the die?

  • A. 1/16
  • B. 1/6
  • C. 1/4
  • D. 3/8
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