Reasoning: D = 72 * 5/18 = 50 = 1000 â€“ 250 = 750m
Ans: (D)
Question: A train 250 m long running at 72 kmph crosses a platform in 50 sec. What is the length of the platform?
Options:
(A) 150m
(B) 200m
(C) 250m
(D) 750m
(E) 300 m


Reasoning: (25/100) * 40 – (4/5) * 25
10 - 20 = 10
Ans: (A)
Question: How much is 25% of 40 is greater than 4/5 of 25?
Options:
(A) 10
(B) 776
(C) 66
(D) 12
(E) 99


Reasoning: Average = (10 + 15 + 20 + 25 + 30)/5 = 100/5 = 20.
Ans: (B)
Question: Find the average of all the numbers between 6 and 34 which are divisible by 5.
Options:
(A) 22
(B) 20
(C) 288
(D) 277
(E) 21


Reasoning: Minimum age = Average - 1 Standard deviation = 32 - 8 = 24
Maximum age = average + 1 Standard deviation = 32+ 8 = 40
Maximum number of different ages of the applicants = 30 - 24 + 1 = 7
Ans: (C)

Question: The average age of applicants for a new job is 32, with a standard deviation of 8. The hiring manager is only willing to accept applicants whose age is within one standard deviation of the average age. Assuming that all applicants' ages are integers and that the endpoints of the range are included, what is the maximum number of different ages of the applicants?
Options:
(A) 8
(B) 77
(C) 7
(D) 18
(E) 34