Mechanical Engineering > GATE 2015 SET-2 > Quantitative Aptitude
If x > y > 1, which of the following must be true?
i. ln x > ln y
ii. ex > ey
iii. yx > xy
iv. cos x > cos y
i. ln x > ln y
ii. ex > ey
iii. yx > xy
iv. cos x > cos y
Correct : a
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