XAT 2010 Question 101

Instructions

based on the information given below.

The retail prices of flowers, consumer expenditure on flowers and sales of flowers for the calendar year 2009, in Phoolgaon, a small town with a population of 70000, is summarized in table 3:



Question 101

Compared to January, the price of carnations in December

Solution

Total population = 70000

Average consumer expenditure on Roses and carnations = 47.4

Total expenditure on both carnations and roses = 47.4*70000

                                                                       = 3318000

Given total expenditure on roses = 1136916

So the total expenditure on carnations = 3318000 - 1136916

                                                           = 2181084

Sales of carnations in January = 13848 dozens

Price of carnation  per dozen  in January =2181084/13848

                                                              = 157.5 

Similarly In December 

Average consumer expenditure on Roses and carnations = 56.4

Total expenditure on both carnations and roses = 56.4*70000

                                                                       = 3948000

Given total expenditure on roses = 977688

So the total expenditure on carnations = 3948000 - 977688

                                                           = 2970312

Sales of carnations  = 18859 dozens

Price of carnation  per dozen  in January =2970312/18859

                                                              = 157.5

Therefore the price did not change

Hence E is the correct answer 



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