question: Two persons A and B can complete a piece of work in 30 days and 45 days respectively. If they work together, what part of the work will be completed in 6 days?
Options:
(A) 2/5
(B) 1/6
(C) 1/3
(D) 1/9
(E) 2/6
answer: Stream of consciousness: A's one day's work = 1/30
B's one day's work = 1/45
(A + B)'s one day's work = 1/30 + 1/45 = 1/18
The part of the work completed in 6 days = 6 (1/18) = 1/3. The answer is (C).

q: 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
a: Stream of consciousness: Circumference C is given by
C = 2r = 2*7 = 14 cm The answer is (E).

question: The edge of a cube is 4a cm. Find its surface?
Options:
(A) 104a2 cm2
(B) 64a2 cm2
(C) 96a2 cm2
(D) 84a2 cm2
(E) 56a2 cm2
answer: Stream of consciousness: 6a2 = 6 * 4a * 4a = 96a2 The answer is (C).

q: If rupee one produces rupees nine over a period of 40 years, find the rate of simple interest?
Options:
(A) 22 1/7 %
(B) 22 8/2 %
(C) 22 1/9 %
(D) 22 1/2 %
(E) 22 2/2 %
a: Stream of consciousness: 9 = (1*40*R)/100
R = 22 1/2 % The answer is (D).

question: If 2^4, 3^3, and 10^3 are factors of the product of 1,452 and w, where w is a positive integer, what is the smallest possible value of w?
Options:
(A) 198
(B) 288
(C) 363
(D) 360
(E) 484
answer: Stream of consciousness: I will go with D (pending elements to match is 2^2*3^2*10^1 = 360 The answer is (D).

question: 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) 288
(B) 150
(C) 77
(D) 166
(E) 1812
answer:
Stream of consciousness: 1/2 * 20(9 + 6) = 150 cm2 The answer is (B).