In the summer, water consumption is known to decrease overal

General Aptitude
Electronics and comm.

M: +1.00/-0.33

In the summer, water consumption is known to decrease overall by 25%. A water Board official states that in the summer household consumption decreases by 20%, while other consumption increases by 70%.
Which of the following statement is correct?

[GATE EC 2017 Set 1]

A The ratio of household to other consumption is 8/17

B The ratio of household to other consumption is 1/17

C The ratio of household to other consumption is 17/8

D There are errors in the official’s statement