a person spends 40 % of his salary on food, 25 % on house rent, 15 % on entertainment and 10 % on conveyance. if his savings at the end of the month is rs. 1200, then his salary per month in rupees is:	Choices:
A) 12000
B) 6000
C) 8000
D) 10000
E) none of these
<gadget id="calculator">1_200 * 100</gadget>
<output>120_000</output>

<gadget id="calculator">120_000 / 10</gadget>
<output>12_000</output>

<result>A</result>
a person spends 40 % of his salary on food, 25 % on house rent, 15 % on entertainment and 10 % on conveyance. if his savings at the end of the month is rs. 1200, then his salary per month in rupees is:
divide(multiply(1200, const_100), 10)
total expenditure = 40 + 25 + 15 + 10 = 90 % saving = ( 100 - 90 ) = 10 % 10 / 100 × salary = 1200 , salary = 12000 rs . answer : a