Question

.what will be the degree measure of an angle in the Pie diagram if a household spend 80 % of his income on a good

Answer 1

Answer:

If the income was Rs 100 then the expenditure was Rs 80

Income increase by 16

3

2

%⇒ Income becomes Rs 116

3

2

Expenditure increases by 37

2

1

%⇒ Expenditure=80+37

2

1

% of 80=80+

100

37.5

×80=80+30=Rs 110

∴ Present saving =Rs 116

3

2

-Rs 110=6

3

2

Present per cent saving =

116

3

2

6

3

2

×100=

3

350

3

20

×100=

350

2000

=5

7

5

%