GATE MN 2017 Paper 1 — page 21

Questions 61–63 of 65. Imported answers require review unless explicitly marked reviewed.

The old concert hall was demolished because of fears that the foundation would be affected by the construction of the new metro line in the area. Modern technology for underground metro construction tried to mitigate the impact of pressurized air pockets created by the excavation of large amounts of soil. But even with these safeguards, it was feared that the soil below the concert hall would not be stable.

From this, one can infer that

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the foundations of old buildings create pressurized air pockets underground, which are difficult to handle during metro construction.

metro construction has to be done carefully considering its impact on the foundations of existing buildings.

old buildings in an area form an impossible hurdle to metro construction in that area.

pressurized air can be used to excavate large amounts of soil from underground areas.

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Students applying for hostel rooms are allotted rooms in order of seniority. Students already staying in a room will move if they get a room in their preferred list. Preferences of lower ranked applicants are ignored during allocation.

Given the data below, which room will Ajit stay in?

Names	Student seniority	Current room	Room preference list
Amar	1	P	R, S, Q
Akbar	2	None	R, S
Anthony	3	Q	P
Ajit	4	S	Q, P, R

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The last digit of

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2017 · Paper 1

Question 61

Question 62

Question 63