[Ans] (E)
[Question] In how many different ways can the letters of the word 'PREPTY' be arranged?
Options:
(A) 120
(B) 230
(C) 330
(D) 340
(E) 360
[CoT] Number of ways = 61/21 6X5X4X3X2X1 - 360

[Ans] (C)
[Question] A person travels at a speed of 10 mph from one city to another. However while returning as there was not much traffic. He came with a speed of 15mph. what is his average speed?
Options:
(A) 10Kmph
(B) 11Kmph
(C) 12Kmph
(D) 13Kmph
(E) 14Kmph
[CoT] Average speed = 2xy/(x+y) = (2*15*10)/25 = 12Kmph

[Ans] (C)
[Question]
Sarah's grade was 50th percentile of the 20 grades for her class. Of the 30 grades from another class, 10 were higher than Sarah's, and the rest were lower. If no other grade was the same as Sarah's grade, then Sarah's grade was what percentile of the grades of the two classes of two classes combined?
Options:
(A) 52nd
(B) 56th
(C) 60th
(D) 70th
(E) 82nd
[CoT] 52nd/56th/60th/70th/82nd