q: How much 60% of 50 is greater than 40% of 30?
Options:
(A) 18
(B) 27
(C) 26
(D) 29
(E) 21
a: Stream of consciousness: (60/100) * 50 (40/100) * 30
30 - 12 = 18 The answer is (A).

question: Convert the 12/43 m/s into kilometers per hour?
Options:
(A) 3.5 kmph.
(B) 2.5 kmph.
(C) 1 kmph.
(D) 1.5 kmph.
(E) 1.9 kmph.
answer: Stream of consciousness: 12/43 m/s = 12/43 * 18/5 = 1 (1/250) = 1 kmph. The answer is (C).

q: A football field is 8400 square yards. If 1200 pounds of fertilizer are spread evenly across the entire field, how many pounds of fertilizer were spread over an area of the field totaling 3500 square yards?
Options:
(A) 450
(B) 600
(C) 500
(D) 2400
(E) 3200
a: Stream of consciousness: Answer A) 4800 yards need 1200 lbs
1 Yard will need 1200/8400 = 1/7 lbs
3600 Yards will need 1/7* 3500 Yards = 500lbs The answer is (C).

question: Two pipes can fill a tank in 20 and 24 minutes respectively and a waste pipe can empty 1 gallons per minute. All the three pipes working together can fill the tank in 15 minutes. The capacity of the tank is?
Options:
(A) 40 gallons
(B) 100 gallons
(C) 120 gallons
(D) 180 gallons
(E) 130 gallons
answer: Stream of consciousness: Work done by the waste pipe in 1 minute = 1/15 - (1/20 + 1/24) = - 1/40
Volume of 1/40 part = 1 gallonsVolume of whole = 1 * 40 = 40 gallons. The answer is (A).

q: A can do a job in 18 days and B can do it in 30 days. A and B working together will finish twice the amount of work in ------- days?
Options:
(A) 21 days
(B) 22 days
(C) 23 days
(D) 12 days
(E) none of these
a: Stream of consciousness: 1/18 + 1/30 = 8/90 = 4/45
45/4 = 11 *2 = 22 days The answer is (B).

q: The average of 11 results is 46, if the average of first six results is 49 and that of the last six is 52. Find the sixth result?
Options:
(A) 21
(B) 56
(C) 100
(D) 25
(E) 23
a:
Stream of consciousness: 1 to 11 = 11 * 46 = 506
1 to 6 = 6 * 49 = 294
6 to 11 = 6 * 52 = 312
6th = 294 + 312 506 = 100 The answer is (C).