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
answer: Stream of consciousness: Average = (10 + 15 + 20 + 25 + 30)/5 = 100/5 = 20. The answer is (B).

q: John makes $60 a week from his job. He earns a raise andnow makes $75 a week. What is the % increase?
Options:
(A) 16.12%
(B) 25%
(C) 16.56%
(D) 17.66%
(E) 18.1%
a: Stream of consciousness: Increase = (15/60)*100 = (1/4)*100 = 25%. The answer is (B).

question: Find the value of y from (12)^3 x 6^4 432 = y?
Options:
(A) 2234
(B) 4350
(C) 4560
(D) 5132
(E) y=5184
answer: Stream of consciousness: Given Exp. = (12)3 x 64 = (12)3 x 64 = (12)2 x 62 = (72)2 = 5184
432 12 x 62 The answer is (E).

q: Rs. 1400 is divided into three parts A, B and C. How much A is more than C if their ratio is 1/3:1/3:1/6?
Options:
(A) 300
(B) 992
(C) 772
(D) 552
(E) 280
a: Stream of consciousness: 1/3:1/3:1/6 = 2:2:1
1/5*1400 = 280
560-280 = 280 The answer is (E).

question: Pipe A can fill a tank in 5 hours, pipe B in 10 hours and pipe C in 30 hours. If all the pipes are open, in how many hours will the tank be filled?
Options:
(A) 2
(B) 3
(C) 3.5
(D) 4
(E) 4.5
answer: Stream of consciousness: Part filled by A + B + C in 1 hour = 1/5 + 1/10 + 1/30 = 1/3
All the three pipes together will fill the tank in 3 hours. The answer is (B).

question: It is the New Year and Mandy has made a resolution to lose weight this year. She plans to exercise and do yoga. For exercise she plans to workout at the gym and ride her bicycle in the ratio of 2:3 everyday. She will also do yoga in the ratio, yoga:exercise = 2:3. If she rides her bike for 18 minutes, how much time will she spend doing yoga? (rounded to minutes)
Options:
(A) 30 min.
(B) 41 min.
(C) 17 min.
(D) 23 min.
(E) 25 min.
answer:
Stream of consciousness: The ratio is 2:3 = gym:ride, so (18)(3/2) = 27 minutes at the gym, and 27 + 18 = 45 minutes exercise, so (2/3)(45) = 30 minutes yog The answer is (A).