Waec Mathematics Past Questions and Answers

Question 1381:

• WAEC 2011

John pours 96 litres of red oil into a rectangular container with length 220cm and breadth 40cm. Calculate, correct to the nearest cm, the height of the oil in the container

A. 11cm
B. 18cm
C. 21cm
D. 34cm

Question 1382:

• WAEC 2011

in a quiz competition, a student answers n questions correctly and was given D(n + 50) for each question correctly answered. If he gets D600.00 altogether, how many questions did he answer correctly?

A. 18
B. 15
C. 12
D. 10

Question 1383:

• WAEC 2011

If 27^x = 9^y. Find the value of \(\frac{x}{y}\)

A. \(\frac{1}{3}\)
B. \(\frac{2}{3}\)
C. 1\(\frac{1}{2}\)
D. 3

Question 1384:

• WAEC 2011

a boy looks through a window of a building and sees a mango fruit on the ground 50m away from the foot of the building. If the window is 9m from the ground, calculate, correct to the nearest degree, the angle of depression of the mango from the window

A. 9^o
B. 10^o
C. 11^o
D. 12^o

Question 1385:

• WAEC 2011

The diagram shows a cyclic quadrilateral PQRS with its diagonals intersecting at K. Which of the following triangles is similar to triangle QKR?

A. \(\bigtriangleup\) PQK
B. \(\bigtriangleup\) PKS
C. \(\bigtriangleup\) SKR
D. \(\bigtriangleup\) PSR