All values in S1 are changed in sign, while those in S2 remain unchanged. Which of the following statements is true?

Every member of S1 is greater than or equal to every member of S2.

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G is in S1.

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If all numbers originally in S1 and S2 had the same sign, then after the change of sign, the largest number of S1 and S2 is in S1.

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None of the above

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Solution

The correct option is D None of the above
Ans: (d)

None of the options (a), (b) and (c) is necessarily true. Hence option (d) is an answer.

As this is a variable based question: the word "ANY" can be used

Let the series of integers $a_{1}, a_{2}, . . . . . . ., a_{50}$ be $1, 2, 3, 4, 5, . . . . . . ., 50.$

$S_{1} = 1, 2, 3, 4, . . . . . . .24, S_{2} = 25, 26, 27............50$

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