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).
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q: Three candidates contested an election and received 1136, 7636 and 11628 votes respectively. What percentage of the total votes did the winning candidate get?
Options:
(A) 57%
(B) 60%
(C) 90%
(D) 65%
(E) 70%
a: Stream of consciousness: Req percentage = 11628/20400*100 = 57% The answer is (A).
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q: Ravi can do a piece of work in 30 days while Prakash can do it in 40 days. In how many days will they finish it together?
Options:
(A) 17 1/7 days
(B) 17 1/8 days
(C) 17 5/7 days
(D) 17 3/7 days
(E) 13 1/7 days
a:
Stream of consciousness: 1/30 + 1/40 = 7/120
120/7 = 17 1/7 days The answer is (A).
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