Complete GATE IN 2018 Paper 1 overview, original pages and practice · Timed previous-paper practice

Questions 37–39 of 65. Imported answers require review unless explicitly marked reviewed.

Paper practice 65 questionsPage 13 of 22

Question 27

Open question
INMCQ2 marksNeeds review
Two bags

and

have equal number of balls. Bag

has 20% red balls and 80% green balls. Bag

has 30% red balls, 60% green balls and 10% yellow balls. Contents of bags

and

are mixed thoroughly and a ball is randomly picked from the mixture. What is the chance that the ball picked is red?
Your answerChoose one option.

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Question 28

Open question
INMCQ2 marksNeeds review
Consider the following system of linear equations:

Here

and

are the unknowns and

is a real constant. The value of

for which there are infinite number of solutions is
Your answerChoose one option.

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Question 29

Open question
INMCQ2 marksNeeds review
Consider the following equations


where p and q are constants.

that satisfies the above equations is
Your answerChoose one option.

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