question: What should come in the place of the question mark(?) in the following equation?
2125 920 512 1017
Options:
(A) 7 77125
(B) 11 910
(C) 119450
(D) 1 2990
(E) None of these
answer: Stream of consciousness: ? = 2125 209 512 1710 = 11990 = 12990 The answer is (D).

q: The edge of a cube is 2a cm. Find its surface?
Options:
(A) 24a8
(B) 24a4
(C) 24a1
(D) 24a2
(E) 24a7
a: Stream of consciousness: 6a2 = 6 * 2a * 2a = 24a2 The answer is (D).

question: In a particular year, the month of january had exactly 4 thursdays, and 4 sundays. On which day of the week did january 1st occur in the year.
Options:
(A) 33
(B) Monday
(C) 299
(D) 299
(E) 277
answer: Stream of consciousness: Ans: If a month has 31 days, and it starts with sunday, Then Sundays, Mondays, tuesdays are 5 for that month. If this month starts with monday, then mondays, tuesdays, and wednesdays are 5 and remaining days are 4 each. so this month start with Monday. The answer is (B).

q: Every year an amount increases by 1/8th of itself. How much will it be after two years if its present value is Rs.64000?
Options:
(A) Rs.81000
(B) Rs.80000
(C) Rs.75000
(D) Rs.64000
(E) Rs.68000
a: Stream of consciousness: 64000* 9/8 * 9/8 = 81000 The answer is (A).

question: When tossed, a certain coin has equal probability of landing on either side. If the coin is tossed 3 times, what is the probability that it will land once on heads and twice tails?
Options:
(A) 1/3
(B) 1/6
(C) 1/4
(D) 1/8
(E) 1/5
answer: Stream of consciousness: Must be once on heads and twice on tails
1/2*1/2*1/2 = 1/8 The answer is (D).

question: A money lender lends Rs.2000 for six months at 20% p.a. rate. It the interest is reckoned quarterly than find the amount given after time limit?
Options:
(A) 2205
(B) 8786
(C) 8275
(D) 2872
(E) 2282
answer:
Stream of consciousness: A = 2000(21/20)2 = 2205 The answer is (A).