GATE Computer Science (CS) 2015 Shift 2 Solved Paper

Question : 9 of 65

Marks: +1, -0

If the list of letters,

P, R, S, T, U

is an arithmetic sequence, which of the following
are also in arithmetic sequence?
I.

2P,\:2R,\:2S,\:2T,\:2U

II.

P−3,\:R−3,\:S\:−\:3,\:T−3,\:U−3

III.

P^{2},\:R^{2},\:S^{2},\:T^{2},\:U^{2}

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