q: A no.when divided by 221 gives a remainder 43, what remainder will beobtained by dividingthe same no.17?
Options:
(A) 3
(B) 6
(C) 9
(D) 10
(E) 12
a: Stream of consciousness: 221 + 43 = 264/17 = 9 (Remainder) The answer is (C).

question: 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
answer: Stream of consciousness: 64000* 9/8 * 9/8 = 81000 The answer is (A).

q: In 2005, 25 percent of the math department's 40 students were female, and in 2007, 40 percent of the math department's 85 students were female. What was the percent increase from 2005 to 2007 in the number of female students in the department?
Options:
(A) 15%
(B) 50%
(C) 62.5%
(D) 115%
(E) 240%
a: Stream of consciousness: Female students in 2005 = 25% of 40 = 10
Female students in 2007 = 40% of 85 = 34
Percentage increase = [(34- 10)/10] *100 % = 240% The answer is (E).

question: A train 480 m in length crosses a telegraph post in 16 seconds. The speed of the train is?
Options:
(A) 22 kmph
(B) 108 kmph
(C) 54 kmph
(D) 71 kmph
(E) 88 kmph
answer: Stream of consciousness: S = 480/16 * 18/5 = 108 kmph The answer is (B).

q: Find the area of the quadrilateral of one of its diagonals is 20 cm and its off sets 9 cm and 6 cm?
Options:
(A) 128
(B) 150
(C) 887
(D) 279
(E) 771
a: Stream of consciousness: 1/2 * 20(9 + 6) = 150 cm2 The answer is (B).

q: Calculate the speed of a boat in still water (in km/hr) if in one hour, the boat goes 13 km/hr downstream and 10 km/hr upstream.
Options:
(A) 3 kmph
(B) 9 kmph
(C) 4 kmph
(D) 8 kmph
(E) 6 kmph
a:
Stream of consciousness: Speed in still water = (13 + 5)1/2 kmph = 9 kmph. The answer is (B).