X is negative, Y is negative. Which of the following is always true?

i.) X - Y is positive.
ii.) X + Y is positive
iii.) XY is positive.

Options
- i.)
- ii.)
- iii.)
- i.) and iii.)

CORRECT ANSWER : iii.)

Discussion Board

mathametics

how it is possible?? could any one explain.

sasi kala 02-3-2015 04:54 AM

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X is negative, Y is negative. Which of the following is always true?i.) X - Y is positive.ii.) X + Y is positiveiii.) XY is positive.

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X is negative, Y is negative. Which of the following is always true?

i.) X - Y is positive.
ii.) X + Y is positive
iii.) XY is positive.