question: A car finishes a journey in ten hours at the speed of 65 km/hr. If the same distance is to be covered in five hours how much more speed does the car have to gain?
Options:
(A) 8 km/hr
(B) 10 km/hr
(C) 65 km/hr
(D) 16 km/hr
(E) None of these
answer: Stream of consciousness: Distance covered by the car = 65 10 = 650 km
\ Speed = 6505 = 130 km/hr
\ Speed gain = 130 65 = 65 km/hr The answer is (C).

q: How much more would Rs.20000 fetch, after two years, if it is put at 20% p.a. compound interest payable half yearly than if is put at 20% p.a. compound interest payable yearly?
Options:
(A) 482
(B) 442
(C) 552
(D) 662
(E) 526
a: Stream of consciousness: 20000(11/10)4 - 20000(6/5)2 = 482 The answer is (A).

question: Calculate the circumference of a circular field whose radius is 7 centimeters.
Options:
(A) 11 cm
(B) 15 cm
(C) 1 cm
(D) 4 cm
(E) 14 cm
answer: Stream of consciousness: Circumference C is given by
C = 2r = 2*7 = 14 cm The answer is (E).

q: A no.when divided by 224 gives a remainder 43, what remainder will beobtained by dividingthe same no.17?
Options:
(A) 2
(B) 7
(C) 9
(D) 11
(E) 12
a: Stream of consciousness: 224 + 43 = 267/17 = 12 (Remainder) The answer is (E).

question: Three people took GMAT practice tests in which the minimum and maximum possible scores are 200 and 800, respectively. They each took a test 3 times, and no one scored below 510 or over 780. If the individual ranges of the three people's scores in those 3 practice tests were 20, 90 and 130, what is the difference between the maximum and minimum possible ranges of all their scores put together.
Options:
(A) 70
(B) 80
(C) 90
(D) 140
(E) 170
answer: Stream of consciousness: According to the information in the question the maximum range would be between 510 and 780(270). The minimum range would be the greatest range for any one individual, which is listed in the problem as 130. So the difference between these would be 270-130 or 140. The answer is (D).

question: The average age of the district level hockey team of eleven is 22 years.The average age gets increased by 1 year when the coach age is also included.what is the age of the coach ?
Options:
(A) 22 yrs
(B) 34 yrs
(C) 27 yrs
(D) 28 yrs
(E) 19 yrs
answer:
Stream of consciousness: Total age of players in team = 22 x 11 = 242
When coach is included, total members = 12, Avg age increases by one becomes 23
Total age when coach is included = 23x12 = 276
Age of coach = 276-242 = 34 yrs. The answer is (B).