If $x > y > 1,$ which of the following must be true$?$ $\ln x > \ln y$ $e^{x} > e^{y} $ $y^x > x^y $ $\cos x > \cos y$ (i) and (ii) (i) and (iii) (iii) and (iv) (ii) and (iv)

Choose the most appropriate word from the options given below to complete the following sentence. If the athlete had wanted to come first in the race, he _______________ several hours every day. should practise should have practised practised should be practising

Given the sequence $A,B,B,C,C,C,D,D,D,D,\ldots$ etc$.,$ that is one $A,$ two $B’s,$ three $C’s,$ four $D’s,$ five $E’s$ and so on, the $240^{th}$ latter in the sequence will be $:$ $V$ $U$ $T$ $W$