Question

. Price of food grains have risen by 10% and of other items of consumption by

15%. If the ratio of an employee's expenditure on food grains and other items is

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?​

Answer 1

Answer:

Given that the expenses on food : other items =2:5.

His salary = Rs. 2590.

∴ expenses on food = Rs.

5+2

2

×2590= Rs. 740 and

the expenses on other items = Rs. (2590−740)= Rs. 1850.

Now the rise in price for rice at 10%= Rs. 740×

100

10

= Rs. 74 and

the rise in price for other items at 15%= Rs. 1850×

100

15

= Rs. 277.5.

∴ the net rise in expenses = Rs. (74+277.5)= Rs. 351.5.

∴ his salary should be increased by Rs. 351.5 to cope with the present situation

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