Prices of foodgrains have risen by and of other items of consumption by 15%. If the ratio of an employee's expenditure on foodgrains and other items 2 : 5, by how much should his salary be increased so that he may maintain the same level of consumption as before, assuming that his present salary is Rs. 3500? `R s .300` b. `R s .350` c. `R s .375` d. `R s .475`

Princes register an increase of 10% on foodsgrains and 15% on other items of expenditure. If the ratio of an employees expenditure on food grains and other items be 2:5, by how much should his salary be increased in order that he may maintain the same level of consumption as before, his present salary being Rs. 2590? R s .323.75 b. R s .350 c. R s .360.50 d. none of these

The price of a certain item is increased by 15%. If a consumer wants to keep his expenditure on the item the same as before, how much percent must reduce his consumption of that item ?

How much 66 2/3% of R s .312 exceeds Rs. 200? R s .96 b. R s .8 c. R s .4 d. R s .104

Price of sugar rises by 20% By how much percent should the consumption of sugar be reduced so that the expenditure does not change?