# GATE Mechanical 2015 Set 2 | GA Question: 5

If $x>y>1$ Which of the following must be true?

1. $\ln x>\ln y$
2. $e^x>e^y$
3. $y^x>x^y$
4. $\cos x>\cos y$
1. (i) and (ii)
2. (i) and (iii)
3. (iii) and (iv)
4. (ii) and (iv)

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