Exam style questions - Hodder Plus Home
Exam style questions - Hodder Plus Home
Exam style questions - Hodder Plus Home
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4 The longer side of a rectangle is 2 cm longer than its<br />
shorter side.<br />
Its perimeter is 36 cm.<br />
Let x cm be the length of the shorter side.<br />
a Write down an equation in x. [2]<br />
b Solve your equation to find x. [2]<br />
c Find the area of the rectangle. [1]<br />
5 Solve these equations.<br />
a 3x 2 = 27 [2]<br />
b 4x + 1 = 7 − 2x [3]<br />
3 A car park contains vans and cars. The ratio of<br />
the vans to cars is 1 : 6. There are 420 vehicles in<br />
the car park.<br />
a How many vans are there<br />
b How many cars [2]<br />
4 Adrian, Penelope and Gladys shared a lottery win<br />
in the ratio 2 : 5 : 8.<br />
They won £7000.<br />
How much did each receive, correct to the nearest<br />
penny [3]<br />
5 The table shows the prices of different packs of<br />
chocolate bars.<br />
Pack Size Price<br />
18 Ratio and<br />
proportion<br />
Here is an exam question …<br />
John and Peter did some gardening. They shared the<br />
money they were paid in the ratio of the number of<br />
hours they worked.<br />
John worked for 5 hours. Peter worked for 7 hours.<br />
They were paid a total of £28.80.<br />
How much did each one receive [2]<br />
… and its solution<br />
Ratio is 5 : 7<br />
Total = 12<br />
One share = 28.8 ÷ 12<br />
= £2.40<br />
John receives 5 × 2.40 = £12<br />
Peter receives 7 × 2.40 = £16.80<br />
Check: £12 + £16.80 = £28.80<br />
Now try these exam <strong>questions</strong><br />
1 Some of the very first coins were made with 3 parts<br />
silver to 7 parts gold.<br />
a How much gold should be mixed with 15 g of<br />
silver in one of these coins [2]<br />
b Another coin made this way has a mass of 20 g.<br />
How much gold does it contain [2]<br />
2 A recipe for rock cakes uses 100 g of mixed fruit<br />
and 250 g of flour. This makes 10 rock cakes.<br />
Jason wants to make 25 rock cakes.<br />
How much mixed fruit and flour does he need [2]<br />
Standard 500 g £1.15<br />
Family 750 g £1.59<br />
Special 1.2 kg £2.49<br />
Find which pack is the best value for money. You<br />
must show clearly how you decide. [4]<br />
19 Statistical<br />
calculations 2<br />
Here is an exam question …<br />
A wedding was attended by 120 guests.<br />
The distance, d miles, that each guest travelled was<br />
recorded in the frequency table.<br />
Calculate an estimate of the mean distance<br />
travelled. [5]<br />
Distance (d miles)<br />
Number of guests (f)<br />
0 < d 10 26<br />
10 < d 20 38<br />
20 < d 30 20<br />
30 < d 50 20<br />
50 < d 100 12<br />
100 < d 140 4<br />
© <strong>Hodder</strong> Education 2011 Unit A<br />
17