Back to Edexcel Direct & Inverse Proportion (H) Home
Proportion: Quiz 4 - Answers
Proportion: Quiz 4 - Answers
1)
a) a = 4b
b) 32
c) 100
d) 59
2)
a) c = 6d
b) 30
c) 72
d) 9
e) 7.5
3)
a) 4
b) 1.5
c) 42
4)
a) 32.5
b) 24
c) 78.4
5)
a) 126
b) 10
c) 17
6)
a) p = 5q
b) 17
c) 17.5
d) 44.5
a) a = 4b
b) 32
c) 100
d) 59
2)
a) c = 6d
b) 30
c) 72
d) 9
e) 7.5
3)
a) 4
b) 1.5
c) 42
4)
a) 32.5
b) 24
c) 78.4
5)
a) 126
b) 10
c) 17
6)
a) p = 5q
b) 17
c) 17.5
d) 44.5
Working
Questions
You may use a calculator for the following questions.
1) a is directly proportional to b. When a is 20, b is 5.
a) Form an equation for a in terms of b.
b) Find the value of a when b is 8.
c) Find the value of a when b is 25.
d) Find the value of b when a is 236.
2) c is directly proportional to d. When c is 18, d is 3.
a) Form an equation for c in terms of d.
b) Find the value of c when d is 5.
c) Find the value of c when d is 12.
d) Find the value of d when c is 54.
e) Find the value of d when c is 45.
3) e is directly proportional to f. When e is 9, f is 27.
a) Find the value of e when f is 12.
b) Find the value of e when f is 4.5.
c) Find the value of f when e is 14.
4)
You may use a calculator for the following questions.
1) a is directly proportional to b. When a is 20, b is 5.
a) Form an equation for a in terms of b.
b) Find the value of a when b is 8.
c) Find the value of a when b is 25.
d) Find the value of b when a is 236.
2) c is directly proportional to d. When c is 18, d is 3.
a) Form an equation for c in terms of d.
b) Find the value of c when d is 5.
c) Find the value of c when d is 12.
d) Find the value of d when c is 54.
e) Find the value of d when c is 45.
3) e is directly proportional to f. When e is 9, f is 27.
a) Find the value of e when f is 12.
b) Find the value of e when f is 4.5.
c) Find the value of f when e is 14.
4)
When g is 50, h is 20.
a) Find the value of g when h is 13.
b) Find the value of h when g is 60.
c) Find the value of h when g is 196.
5) i is directly proportional to j. When i is 27 j is 6.
a) Find the value of i when j is 28.
b) Find the value of j when i is 45.
c) Find the value of j when i is 76.5.
6)
a) Find the value of g when h is 13.
b) Find the value of h when g is 60.
c) Find the value of h when g is 196.
5) i is directly proportional to j. When i is 27 j is 6.
a) Find the value of i when j is 28.
b) Find the value of j when i is 45.
c) Find the value of j when i is 76.5.
6)
When p is 45, q is 9.
a) Form an equation for p in terms of q.
b) Find the value of q when p is 85.
c) Find the value of p when q is 3.5.
d) Find the value of q when p is 222.5.
a) Form an equation for p in terms of q.
b) Find the value of q when p is 85.
c) Find the value of p when q is 3.5.
d) Find the value of q when p is 222.5.