SSC CGL 9 Aug 2015 Shift 1 Paper

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Directions (144–147) :
Study the following bar diagram carefully and answer the following questions.
The number of the production of electronic items (TVs and LCDs) in a factory during the period from 2009 to 2013.

Question : 146 of 200

Marks: +1, -0

The difference between averages of production of TVs and LCDs from 2009 to 2012 is

Validate

Solution:

Average production of T.V. from 2009 to 2012
=

{6000+9000+13000+11000}/{4}

{39000}/4

= 9750
Average production of LCD from 2009 to 2012
=

{7000+9400+9000+10000}/{4}

{35400}/4

= 8850
Required difference
= 9750 – 8850 = 900

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