Practise

Question bank

Original exam-style questions, mapped to your syllabus. Answers are checked for mathematical equivalence and every attempt updates your mastery.

12 questions

SA-4024-AL11-0011 markL1 FoundationNon-calculatorDirect proportion

y

is directly proportional to

x

, and

y=15

when

x=5

. Find the constant

k

y=kx

Salam Academy Original Practice · Proposed mark scheme

SA-4024-AL11-0051 markL1 FoundationNon-calculatorDirect proportion

y

is directly proportional to

x^2

x

is doubled. By what number is

y

multiplied?

Salam Academy Original Practice · Proposed mark scheme

SA-4024-AL11-0071 markL1 FoundationCalculatorDirect proportion

The graph of

y

against

x

when

y

is directly proportional to

x

Salam Academy Original Practice · Proposed mark scheme

SA-4024-AL4-0013 marksL1 FoundationCalculatorDirect proportion

y

is directly proportional to

x

, and

y=12

when

x=4

. Find

y

when

x=10

Salam Academy Original Practice · Proposed mark scheme

SA-4024-AL4-0023 marksL1 FoundationCalculatorInverse proportion

y

is inversely proportional to

x

, and

y=5

when

x=6

. Find

y

when

x=10

Salam Academy Original Practice · Proposed mark scheme

SA-4024-AL-0123 marksL2 StandardNon-calculatorDirect proportion

y

is directly proportional to

x^2

, and

y=18

when

x=3

. Find

y

when

x=5

Salam Academy Original Practice · Proposed mark scheme

SA-4024-AL11-0023 marksL2 StandardNon-calculatorDirect proportion

y

is directly proportional to

x^3

, and

y=16

when

x=2

. Find

y

when

x=3

Salam Academy Original Practice · Proposed mark scheme

SA-4024-AL11-0033 marksL2 StandardNon-calculatorInverse proportion

y

is inversely proportional to

x^2

, and

y=4

when

x=3

. Find

y

when

x=6

Salam Academy Original Practice · Proposed mark scheme

SA-4024-AL11-0043 marksL2 StandardNon-calculatorDirect proportion

y

is directly proportional to

\sqrt x

, and

y=10

when

x=4

. Find

x

when

y=15

Salam Academy Original Practice · Proposed mark scheme

SA-4024-AL4-0052 marksL2 StandardCalculatorInverse proportion

6

workers take

10

days to build a wall. Working at the same rate, how many days would

4

workers take?

Salam Academy Original Practice · Proposed mark scheme

SA-4024-AL-0133 marksL3 ExamNon-calculatorInverse proportion

y

is inversely proportional to

\sqrt x

, and

y=6

when

x=4

. Find

y

when

x=9

Salam Academy Original Practice · Proposed mark scheme

SA-4024-AL11-0062 marksL3 ExamNon-calculatorInverse proportion

y

is inversely proportional to

x^2

x

is increased by

100\%

. By what percentage does

y

decrease?

Salam Academy Original Practice · Proposed mark scheme