Question

The expenses on rice, fish, and oil of a family are in the ratio of 12:17:3 The prices of these articles are increased by 20%, 30%, and 50% respectively. The total expenses of the family are increased by? ​

Answer 1

Answer:

Let The expenses on rice, fish and oil of a family are=Rs 12,Rs 17 And Rs 3

Then total expenses 12+17+3=32 Rs

Expenses of rice increased 20%

Then Expenses of rice after increased=

100

12×120

=14.40Rs

Expenses of fish increased 30%

Then Expenses of fish after increased=

100

17×130

=22.10Rs

Expenses of oil increased 50%

Then Expenses of fish after increased=

100

3×150

=4.50Rs

Then total expenses after increased=14.40+22.10+4.50=41 Rs

Increase expenses=41-32=9 Rs

% of Increase expenses=

32

9×100

=28

8

1

%