SEA Language 2017 Solutions
Please find below the three sections and suggested answers are at the end of each section. If you disagree with
Read morePlease find below the three sections and suggested answers are at the end of each section. If you disagree with
Read moreQuestion 46 The table below shows the marks obtained by 2 students in 5 subjects. (a) Calculate the mean mark
Read moreQuestion 45
The diagram below shows the blades of a fan labelled A,B,C and D.
(a) What fraction of a turn does Blade A make if it turns in a clockwise direction to the position of Blade D? (1 mark)
(b) How many 1/4 turns does Blade B make if it turns in a clockwise direction to the position of Blade D? (1 mark)
(c) Through how many degrees does Blade C turn in an anticlockwise direction to the position of Blade B? (1 mark)
(d) If Blade B travels 200 cm in in 1 whole turn, how many 1/2 turns will it take to make 300 cm? (2 marks)
Question 44
A circle of radius 21cm is shown below
(a) Calculate the circumference of the circle. (2 marks)
(b) The circle is cut into 8 equal parts as shown below
The parts are used to form the shape below.
Calculate the perimeter of the shape. (3 marks)
Read moreQuestion 43
Mrs Brown bought the stove shown below at a discount of 20%
(a) Calculate the discount in dollars. (1 mark)
(b) What was the cost of the stove after the discount? (1 mark)
(c) Mrs Brown paid VAT at 12 1/2% on the discounted price.
How much VAT did she pay?
(d) Calculate the final price that Mrs Brown paid for the stove.
Question 42 There are 450 mangoes and oranges in a fruit stall. There are twice as many mangoes as there
Read moreQuestion 41
Five runners competed in a race on sports day. The table below shows the times recorded for 4 runners.
(a) Calculate the average running time for the FOUR given runners. (2 marks)
(b) Javed won the race by 0.3 seconds. What was his winning time? (1 mark)
(c) The winning time in last year’s race was 16.3 seconds. What is the least amount of time by which Mark must improve to beat last year’s winning time? (2 marks)
Question 40
The tally chart below shows the votes obtained by 4 students for the post of class prefect.
If 28 students voted, complete the tally and frequency for Satesh. (2 marks)
Read moreQuestion 39 Tia has 3 similar triangles. Each triangle has three equal sides. (a) Name the type of triangle that
Read moreQuestion 38 There is an incomplete quadrilateral on the grid below. The quadrilateral has only one pair of parallel lines.
Read more