PREVIOUS YEAR SOLVED PAPERS MCQ - GATE 2018

Correct AnswerOption B
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Let the total number of people are 100.

So, M must be 80 – 40 = 40
Ratio of male of female
40 : 40
1 : 1
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Correct AnswerOption C
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Four green, two red face

Option 3 is maximum value.
So, five green faces and two red faces.
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Correct AnswerOption A
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∠E + ∠F = ?
α + q + E = 180       ...(i)
α + β + F = 180       ...(ii)
α + β + p + q = 360       ...(iii)
Equation (i) + (ii) = (iii)
α + q + E + α + β + F = α + β + p + q
E + F = p - α
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Correct AnswerOption B
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Male + Female = 300     ...(i)
Total money = (8/9)M x 750 + (2/3)F x 1000
        = (6000/9)M + (6000/9) F
        = (6000/9)(M + F)
From equation (i)
  Total money = (6000/9)(300) = 2,00,000
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Correct AnswerOption C
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px = q
qy = r
xlogp = logq
ylogq = logr
zlogr = logp
x = logq/yp
y = yz/logq
z = logp /yr
x x y x z = 1
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