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In a car park there are only red cars and silver cars.
The ratio of the number of red cars to the number of silver cars is 4:7.
What fraction of the cars in the car park are silver?
There are 132 cars in the car park.
Work out the number of red cars in the car park.
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There are only blue beads, green beads and yellow beads in a jar.
40% of the beads are blue.
41 of the beads are green.
Write down the ratio of the number of blue beads to the number of green beads to the number of yellow beads.
Give your answer in its simplest form.
There are 240 beads in the jar.
Work out how many more yellow beads than green beads there are in the jar.
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A company stores grain in three silos, X, Y and Z.
The ratio of the mass of grain in silo X to the mass of grain in silo Y is 3:4.
The ratio of the mass of grain in silo Y to the mass of grain in silo Z is 6:5.
Write down the ratio of the mass of grain in silo X to the mass of grain in silo Y to the mass of grain in silo Z.
Give your answer in its simplest form.
The three silos contain a total of 465 tonnes of grain.
Work out the mass of grain in silo Z.
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A showroom has only hatchbacks, saloons and estates for sale.
The ratio of the number of hatchbacks to the number of saloons is 5:2.
The ratio of the number of saloons to the number of estates is 3:4.
There are more than 100 cars and fewer than 130 cars for sale in the showroom.
Work out the number of estates for sale in the showroom.
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In Year 11 at a school, the ratio of the number of boys to the number of girls is 7:5.
31 of the boys walk to school.
52 of the girls walk to school.
What fraction of all the students in Year 11 walk to school?
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Petra makes a crumble topping using butter, sugar and flour only.
The mass of flour she uses is 1.5 times the mass of sugar she uses.
The mass of butter she uses is 0.75 times the mass of sugar she uses.
Write down the ratio of the mass of butter to the mass of sugar to the mass of flour.
Give your answer in its simplest form.
Petra makes 650 g of crumble topping.
Work out the mass of flour she uses.
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There are only red counters, blue counters and green counters in a box.
The ratio of the number of red counters to the number of blue counters is 5:6.
The ratio of the number of blue counters to the number of green counters is 9:4.
Work out the smallest possible number of counters in the box.
There are more than 200 counters in the box.
Work out the smallest possible number of green counters in the box.
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A, B, C and D are four points on a straight line, in that order.
AB:BD=1:4
AC:CD=7:3
Show that AB:BC:CD=2:5:3.
BC=15 cm.
Work out the length of AD.
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A shop sells only large mugs and small mugs.
Each mug is either plain or patterned.
The ratio of the number of plain mugs to the number of patterned mugs is 3:2.
The ratio of the number of large mugs to the number of small mugs is 5:3.
All of the patterned mugs are large mugs.
Work out the least possible number of large plain mugs in the shop.
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Amir has a stickers and Bella has b stickers.
32 of the number of Amir's stickers is equal to 74 of the number of Bella's stickers.
Show that a:b=6:7.
Amir now gives 15 of his stickers to Bella.
The ratio of the number of Amir's stickers to the number of Bella's stickers is now 3:4.
Work out the total number of stickers Amir and Bella have.
You must show all your working.