94

1/10

21

1/10

536

1/10

24

Difficulty Rating

1/10

Question 5

£4.20

1. Work on HCF route. 12 eggs and 18 eggs
2. HCF = 6. Therefore, first calculate what 6 eggs costs
3. If 12 costs £2.80, 6 costs £1.40
4. Therefore, 18 would be 3x what 6 costs. So £4.20

Difficulty Rating

3/10

Question 6

8 <sup>1</sup>/<sub>3</sub>

If the question was not with the same denominator, then the approach would be to convert to an Improper fraction and then from there, the Lowest Common Denominator and then subtract. But this question is relatively easy

Difficulty Rating

3/10

Question 7

19

75/4 = 18.75

Answer is 19 not 18. Because you need 19 boxes to ensure all 75 cakes are stored

4/10

Difficulty Rating

4/10

Question 9

275

1. Note that each marker is 25;
2. Therefore, you go up in 25s. 200,225,250,275

Difficulty Rating

3/10

Question 10

With these questions, if not sure, convert every single number to the same metric. So you could convert them all to %ages

83%, 80%, 33.3%, 33.3%, 82.5%, 30%, 59%, 29%, 32.2%

5/10

Difficulty Rating

4/10

Question 12

95p

1. 85p x 3 = £2.55
2. 30p x 5 = £1.50
3. Total Cost = £4.05
4. Change = £5.00 – £4.05 = 95p

4/10

Difficulty Rating

4/10

Question 14

Put numbers in a neat column format

Difficulty Rating

3/10

Question 15

The best way to do this is to substitute numbers in and test. Eg for Question 1, substitute with 1, 2 or 3

For the second one try 2 and you get an end result of 3. Then try 4. This would give you 10 as the end answer. So odd or even

Difficulty Rating

5/10

Question 16

E

Use substitution of values:

Orange costs 10p, Apple costs 5p

A – 35p (2 x 10p) + (3 x 5p)

B – 35p

C – 35p (1 x 10p) + (5 x 5p)

D – 35p (3 x 10p) + (1 x 5p)

E – 40p

4/10

650

749

3/10

5/10

A = 6

Difficulty Rating

5/10

Question 20

B

1/2 chance in first toss. 1/2 in second toss

Difficulty Rating

4/10

Question 21

3 Hours

If it takes 4 people 6 hours, (24 man hours) then 8 people will take half this time.

10 Hours

twice the length = 48 hours.

48/5  = 9.6 which is near enough to 10 hours

4/10

Difficulty Rating

6/10

Question 23

Use the inverse operation of 17 * 11 = 187

5/10

8/10

9/10

8/10

8/10