GATE XL 2017 Paper 1 — page 41

Questions 121–123 of 125. Imported answers require review unless explicitly marked reviewed.

Baichung was observing the pattern of people entering and leaving a car service centre. There was a single window where customers were being served. He saw that people inevitably came out of the centre in the order that they went in. However, the time they spent inside seemed to vary a lot: some people came out in a matter of minutes while for others it took much longer.

From this, what can one conclude?

Your answerChoose one option.

The centre operates on a first-come-first-served basis, but with variable service times, depending on specific customer needs.

Customers were served in an arbitrary order, since they took varying amounts of time for service completion in the centre.

Since some people came out within a few minutes of entering the centre, the system is likely to operate on a last-come-first-served basis.

Entering the centre early ensured that one would have shorter service times and most people attempted to do this.

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A map shows the elevations of Darjeeling, Gangtok, Kalimpong, Pelling, and Siliguri. Kalimpong is at a lower elevation than Gangtok. Pelling is at a lower elevation than Gangtok. Pelling is at a higher elevation than Siliguri. Darjeeling is at a higher elevation than Gangtok.

Which of the following statements can be inferred from the paragraph above?

i. Pelling is at a higher elevation than Kalimpong ii. Kalimpong is at a lower elevation than Darjeeling iii. Kalimpong is at a higher elevation than Siliguri iv. Siliguri is at a lower elevation than Gangtok

Your answerChoose one option.

Only ii

Only ii and iii

Only ii and iv

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P, Q, R, S, T and U are seated around a circular table. R is seated two places to the right of Q. P is seated three places to the left of R. S is seated opposite U. If P and U now switch seats, which of the following must necessarily be true?

Your answerChoose one option.

P is immediately to the right of R

T is immediately to the left of P

T is immediately to the left of P or P is immediately to the right of Q

U is immediately to the right of R or P is immediately to the left of T

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2017 · Paper 1

Question 121

Question 122

Question 123