1. Ribena is diluted with water in the
ratio 1:6. If 9
ml of ribena is used, how much water
should be added?
а) 52 ml; b) 54 ml;
c) 58 ml; d) 57 ml.
2. Some money is shared between Hamish and Rory in the ratio
11:4. If Rory gets £60,
how much will Hamish get?
а) £165; b) £160;
c) £155; d) £175.
3. Gravel and cement are mixed in the ratio 5:3
to make mortar. If 30 shovel of gravel are used, how many shovels of cement
are needed?
а) 15;
b) 19;
c) 16;
d) 18.
4. Gravel and cement are mixed in the
ratio 5:3 to make mortar. If 12
shovel of cement are used, how many shovels of gravel are needed?
а) 24; b) 18;
c) 20;
d) 21.
5. For a school trip there needs to be a ratio of adults
to young people of 2:17. How many adults are needed for a trip with 85
young people?
а) 10; b) 12;
c) 8; d) 11.
6. A father’s and son’s ages are in the ratio 9:4.
If the father is 45 years old, how old is the son?
а) 21 yeas
old;
b) 22 yeas
old;
c) 18 yeas
old;
d) 20 yeas
old.
7. Bread is made from flour and yeast in the
ratio 30:1. How much yeast is mixed with 870
g of flour?
а) 31 g; b) 27 g;
c) 29 g; d) 26 g.
8.
Bread is made from flour and yeast in the ratio 30:1.
How much flour is needed to mix with 350 g of yeast?
а) 11,5 kg; b) 10,5 kg;
c) 10,2 kg; d) 9,8 kg.
9. A ‘Pink Lady’ cocktail is made in the ratio
1 measure gin to 2
dashes Grenadine. If 6 measures of gin are used, how many dashes of
Grenadine should be added?
а) 12;
b) 15;
c) 11;
d) 13.
10. A ‘Pink Lady’ cocktail is made in the ratio 1
measure gin to 2 dashes Grenadine. How many measures of gin should be
used for 28 dashes of Grenadine?
а) 16;
b) 8;
c) 12;
d) 14.
11. At a
college, the ratio of boys to girls is 5:8.
If there are 10 boys in a class, how many girls would there be?
а) 9; b) 16;
c) 17;
d) 13.
12. At a
college, the ratio of boys to girls is 5:8.
If there are 264 girls in the college, how many boys are there in the
college?
а) 165;
b) 176;
c) 155;
d) 162.
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