Home
Class 9
MATHS
The cost of living index in 2007, taking...

The cost of living index in 2007, taking 2006 as the base year, is 175. The total expenditures in 2006 and 2007 are Rs. (4x+y) and Rs. (3x+4y) respectively, where x and y are integers. Which of the following can be the total expenditure of 2007 ?

A

Rs. 48, 000

B

Rs. 39, 000

C

Rs. 43,000

D

Rs. 45,500

Text Solution

Verified by Experts

The correct Answer is:
D

(i) Apply the formula for finding the cost of living index.
(ii) `(3x+4y)/(4x+y)xx100=175`, simplify and get the relation between x and y.
(iii) Now, replace x or y in (3x+4y) and verify from the options.
Promotional Banner

Topper's Solved these Questions

  • SALES TAX AND COST OF LIVING INDEX

    PEARSON IIT JEE FOUNDATION|Exercise Level 2|10 Videos
  • SALES TAX AND COST OF LIVING INDEX

    PEARSON IIT JEE FOUNDATION|Exercise Level 3|14 Videos
  • SALES TAX AND COST OF LIVING INDEX

    PEARSON IIT JEE FOUNDATION|Exercise Easy Type Questions|5 Videos
  • RATIO, PROPORTION AND VARIATION

    PEARSON IIT JEE FOUNDATION|Exercise Leval 3|10 Videos
  • SETS AND RELATIONS

    PEARSON IIT JEE FOUNDATION|Exercise LEVEL 3|8 Videos