**2018 WAEC MATHEMATICS Obj./Theory: Practice Likely Helpful Examination Questions With Solutions**

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2018 GENERAL-MATHEMATICS Questions

__GENERAL MATHEMATICS/MATHEMATICS (CORE)__

__EXAMINATION SCHEME__

** **There will be two papers, Papers 1 and 2, both of which must be taken.

**PAPER 1**: will consist of fifty multiple-choice objective questions, drawn from the common areas of the syllabus, to be answered in 1½ hours for 50 marks.

**PAPER 2**: will consist of thirteen essay questions in two sections – Sections A and B**, **to be answered in 2½ hours for 100 marks. Candidates will be required to answer ten questions in all.

Section A – Will consist of five compulsory questions, elementary in nature carrying a total of 40 marks. The questions will be drawn from the common areas of the syllabus.

Section B – will consist of eight questions of greater length and difficulty. The questions shall include a maximum of two which shall be drawn from parts of the syllabuses which may not be peculiar to candidates’ home countries. Candidates will be expected to answer five questions for 60marks.

__SAMPLE QUESTIONS__

** **

__PAPER 1__

__ (OBJECTIVES)__

** **

- If log
_{10}X = 0. 7549 and log_{10}Y = 0.3285, find log_{10}A. 0.4256 - 0.2479

- 1.0826

- 2.2956

- Convert 13.02
_{5}to base 10. A. 08 - 8.80

- 808

- 880

- Simplify : 3
^{x+1}(2^{x-1}) .

2^{-1} (6^{x})

- 6
- 3
- 3
^{x} - 2
^{x}

- A bonus issue of ordinary shares on the basis of three new shares for every five held has been made by a company. What will be the increase in the number of shares of an investor who originally had 75,000 ordinary shares?
- 15,000

- 25,000

- 45,000

- 75,000

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2018 GENERAL-MATHEMATICS Questions

- Find the equation of the line which is perpendicular to y = and which passes through the

point (1, 3).

- y = -3x
- y = 3x
- y = -3x + 6
- y = 3x – 6

- Which of the following is represented by the shaded region of the Venn

diagram below?

T R

A. T | R | ||

B. C’ | (T | R) | |

C. C’ | T | R | |

D. C’ | (T | R) |

- Given that + – = 6 . Find the value of
*b*.

- 8
- 16
- 32
- 64

__PAPER 2__

** **

__(ESSAY)__

** **

1.

(x)mod p | 2 | 4 | 6 | 8 |

2 | 4 | 8 | 2 | y |

4 | 8 | y | 4 | 2 |

6 | 2 | 4 | y | 8 |

8 | Y | 2 | 8 | 4 |

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2018 GENERAL-MATHEMATICS Questions

of:

The table is of multiplication in modulo p over the set . Find the value

( a ) p;

(b ) y.

- Q

S R

In the diagram, ∠PQR = 60^{o}, ∠QPR = ∠PRS = 90^{o}, ∠SPR = 45^{o} and |QR| = 8cm. Find

|PS|.

- The frequency distribution of the scores of 50 students in an English language test is shown in the

Marks | 1 – 5 | 6 –
10 |
11 -15 | 16 –
20 |
21 –
25 |
26 –
30 |
31 –
35 |
36 –
40 |
41 –
45 |
46 –
50 |

Frequency | 2 | 5 | 5 | 7 | 3 | 8 | 10 | 5 | 3 | 2 |

( a ) Prepare a cumulative frequency table.

( b ) Draw a cumulative frequency curve for the distribution. ( c ) Use the cumulative frequency curve to estimate the:

- median;
- lower