Waec Mathematics Past Questions and Answers

Question 1761:

• WAEC 2017

In a class of 45 students, 28 offer chemistry and 25 offer Biology. If each student offers at least one of the two subjects, calculate the probability that a student selected at random from the class the class offers chemistry only.

A. \(\frac{2}{9}\)
B. \(\frac{4}{9}\)
C. \(\frac{5}{9}\)
D. \(\frac{7}{9}\)

Question 1762:

• WAEC 2017

In the diagram, NQ//TS, <RTS = 50\(^o\) and <PRT = 100\(^o\). Find the value of <NPR

A. 110\(^o\)
B. 130\(^o\)
C. 140\(^o\)
D. 150\(^o\)

Question 1763:

• WAEC 2017

A stationary boat is observed from a height of 100m. If the horizontal distance between the observer and the boat is 80m, calculate, correct to two decimal places, the angles of depression of the boat from point of observation

A. 36.87\(^o\)
B. 39.70\(^o\)
C. 51.34\(^o\)
D. 53.13\(^o\)

Question 1764:

• WAEC 2017

The diagonal of a square is 60 cm. Calculate its peremeter

A. 20\(\sqrt{2}\)
B. 40\(\sqrt{2}\)
C. 90\(\sqrt{2}\)
D. 120\(\sqrt{2}\)

Question 1765:

• WAEC 2017

Find the value of m in the diagram

A. 72\(^o\)
B. 68\(^o\)
C. 44\(^o\)
D. 34\(^o\)