Management Aptitude Test 2017 Paper

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(Questions 126-130) Study the following graphs to answer these questions.
The off-take of Natural Gas in India of various categories for energy purposes in million cubic metres for the years 2015 and 2016 is depicted in the pie charts given below. The total of all the categories in million cubic metres is 20855 for the year 2015 and 22647 for the year 2016.

Question : 127 of 200

Marks: +1, -0

The Natural Gas was wasted by 50% in 2015 and 40% in 2016 of the Others’ category in both the years. W hat is the percentage increase or decrease in wastage of Natural Gas from 2015 to 2016?

405% increase
330% increase
405% decrease
300% decrease

Validate

Solution:

(b) 330% increase
Wastage of Other's category in 2015

\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;=

50 % of 1 % of 20855

\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;=

1/2 × 20855/100

= 104.275

\m^3

Wastage of other's category in 2016

\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;=

40% of 5 % of 22647

\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;=

40/100×5/100 × 22647

\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;=

452.94

\m^3

Required percentage increase

\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;=

{452.94 - 104.275}/104.275 × 100 = 334.3

\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;=

330 % increase

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