question: A train running at the speed of 60 km/hr crosses a pole in 9 seconds. Find the length of the train.
Options:
(A) 150 m
(B) 155 m
(C) 180 m
(D) 190 m
(E) 205 m
answer: Stream of consciousness: Answer: Option A
Speed = 60*(5/18) m/sec = 50/3 m/sec
Length of Train (distance) = speed * Time
(50/3) * 9 = 150 meter The answer is (A).

q: If x is a positive odd integer and y is a negative even integer, which of the following must be true?
Options:
(A) x^3 + y is a positive odd integer
(B) x^2 + y^2 is a negative odd integer
(C) x^0 + y^11 is a negative odd integer
(D) x + y is a positive odd integer
(E) x + y is a negative odd integer
a: Stream of consciousness: Anything power 0 is always 1 and given that Y is even and negative, then
1 + (-2) will be negative with odd power values for Y. The answer is (C).

question: If rupee one produces rupees nine over a period of 40 years, find the rate of simple interest?
Options:
(A) 22 1/7 %
(B) 22 3/2 %
(C) 22 1/8 %
(D) 22 1/2 %
(E) 22 1/2 %
answer: Stream of consciousness: 9 = (1*40*R)/100
R = 22 1/2 % The answer is (D).

q: What is the local value of 7 in the difference of 100889 and local value of 3 in 28943712?
Options:
(A) 7000
(B) 700
(C) 70000
(D) 70
(E) 7
a: Stream of consciousness: 100889 - (Local value of 3) = 100889 - 3000 = 97889
Local value of 7 in 97889 = 7000 The answer is (A).

question: Wednesday occurred on 15th September 2010. What was the day of the week on 15th September 2009?
Options:
(A) Monday
(B) Friday
(C) Wednesday
(D) Tuesday
(E) Sunday
answer: Stream of consciousness: 1 odd day in the year 2009
So, the day on 15th September 2010 will be one day beyond the day on 15th September 2009
But, 15th September 2010 is Wednesday
On 15th September 2009, it was Tuesday The answer is (D).

question: How many two-digit numbers satisfy this property.: The last digit (unit's digit) of the square of the two-digit number is 3 ?
Options:
(A) 4
(B) 0
(C) 3
(D) 2
(E) 1
answer:
Stream of consciousness: A number ending with 3 can never be a perfect square. The answer is (B).