question: A train 200 meters long completely crosses a 300 meters long bridge in 45 seconds. What is the speed of the train is?
Options:
(A) 32
(B) 28
(C) 40
(D) 27
(E) 21
answer: Stream of consciousness: S = (200 + 300)/45 = 500/45 * 18/5 = 40 The answer is (C).

q: A man purchased 3 blankets @ Rs.100 each, 5 blankets @ Rs.150 each and two blankets at a certain rate which is now slipped off from his memory. But he remembers that the average price of the blankets was Rs.162. Find the unknown rate of two blankets?
Options:
(A) 420
(B) 550
(C) 490
(D) 570
(E) 457
a: Stream of consciousness: 10 * 162 = 1620
3 * 100 + 5 * 150 = 1050
1620 1050 = 570 The answer is (D).

question: How many ways can six girls be selected from a group of ten girls?
Options:
(A) C
(B) C
(C) 4C
(D) P
(E) P
answer: Stream of consciousness: Six members can be selected from ten members in
C = C ways The answer is (B).

q: Last year, Company Z made q dollars in profit. Half of the profit went to the company's founder. The rest was split evenly among his two other partners. In terms of q, how much did each of the other partners receive?
Options:
(A) q/4
(B) q/5
(C) q/6
(D) q/7
(E) q/8
a: Stream of consciousness: Profit = q
Profit to company founder = q/2
Profit to other partners = q/2
Number of other partners = 2
Profit to each partner = (q/2)/2 = q/4 The answer is (A).

question: The average of 9 observations was 9, that of the 1st of 5 being 10 and that of the last 5 being 8. What was the 5th observation?
Options:
(A) 9
(B) 8
(C) 5
(D) 5
(E) 4
answer: Stream of consciousness: 1 to 9 = 9 * 9 = 81
1 to 5 = 5 * 10 = 50
5 to 9 = 5 * 8 = 40
5th = 50 + 40 = 90 81 = 9 The answer is (A).

question: A man walks at a speed of 3 km/hr and runs at a speed of 6 km/hr. How much time will the man require to cover a distance of 12 km, if he completes half of the distance, i.e., (6) km on foot and the other half by running?
Options:
(A) 2.6
(B) 2.2
(C) 2.5
(D) 2
(E) 3
answer:
Stream of consciousness: Required time = (6)/3 + (6)/6 = 3 hours. The answer is (E).