Question:Swati spends `40%` of her salary on food, `25%` on house rent `15%` on entertainment and `5%` on conveyance. If her saving at the end of a months is Rs. `1200,` then her salary per month (in Rs.) is : 

A `4000` 
B `6000` 
C `8000` 
D `10000` 

+ Answer
C 

+ Explanation
Saving 

`= [100 - (40 + 25 + 15 + 5)]%`

`= 15%`

`:. 15% of x`

`= 1200 ⇒ 15/(100) x`

`= 1200 ⇒ x`

`= (1200 xx 100/15)`

`= 8000`

+ Report

Irin Moni

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