Indian Institute of Foreign Trade 2017 Solved Paper

Question : 65 of 114

Marks: +1, -0

A mobile company that sells two models ACN-I and ACN-II of mobile, reported that revenues from ACN-I in 2016 were down 12% from 2015 and revenue from ACN-II sales in 2016 were up by 9% from 2015. If the total revenues from sales of both the mobile models ACN-I and ACN-II in 2016 were up by 3% from 2015, what is the ratio of revenue from ACN-I sales in 2015 to revenue from ACN-II sales in 2015?

5 : 2
2 : 5
3 : 4
None

Validate

Solution:

Choice (B) Let the revenues of ACN-I and ACN-II mobile phones sold in 2015 be 100x and 100y respectively. Now in 2016 the revenue from ACN-I decreases by 12 % thus the revenue from ACN-I will be 88x and the revenue from ACN-II increses by 9% thus the revenue from ACN-II will be 109y. Further the overall increase in the cobined revenue is 3% thus,

{ ( 88 x + 109 y ) - ( 100 x + 100 y ) }/ { 100 x + 100 y } = { 3 }/ { 100 }

⇒ { x }/ { y } = { 2 }/ { 5 }

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