Mathematics 2018 Past Questions | JAMB
Study the following Mathematics past questions and answers for JAMB, WAEC 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:
| x | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
| f | 3 | 4 | 5 | 6 | 7 | 6 | 5 | 4 |
Use the table to answer the question below:
How many children are in the hospital
- A. 36
- B. 40
- C. 44
- D. 50
42.
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
44. Given 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\(^o\)
45. Find 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.
- D. 3/8
