Directions (Next Six Questions) : study the following graph carefully to answer the given questions .

Strength of even technology institutes with

Speciallisations in IT. Electronics

and mechanical in 2012

Institute

(Applicable only to the following question)

If the number of students with Mechanical Specialisation in each institute increased by 20% and the number of students with Electronic specialisation in each institutes decreased by 15% from 2012 to 2013, total number of students with Mechanical from all the institutes in 2013 is approximately, what percent of the total number of students with Electronics specialisation from all the institutes in 2013 ?

122%
116%
162%
162%
178%
Explanation:

Total number of students in Mechanical after increased by 20% = 2120 ×120/100 = 2544

Total number students in electronics after decreased by 15% = 1680 × 85/100 = 1428

∴ Required Percentage = 2544/1428 ×100

=178%

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Directions ( Next Five Questions) : In the following questions, two equations numbered I and II are given. You have to solve both the equations

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II. y=√961

I. x²+7x+12=0

II. Y²+6y+8=0

I. x²+15x+56=0

II. y²-23y+132=0

I. x²+13x+42=0

II. y²+19y+90=0

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