q: a piece of ribbon 4 yard long is used to make bows requiring 15 inches of ribbon for each.What is the maximum number of bows that can be made.
Options:
(A) 9
(B) 8
(C) 7
(D) 6
(E) 5
a: Stream of consciousness: 1 yard = 36 Inch
4 yard = 36*4 = 144 inch
15 inch req. for 1 bow
Max. no. of bows possible = 144/15 = 9 bows and 9 inch ribbon left. The answer is (A).
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q: Find the least number must be subtracted from 724946 so that remaining no.is divisible by 10?
Options:
(A) 0
(B) 2
(C) 4
(D) 6
(E) 8
a: Stream of consciousness: On dividing 724946 by 10 we get the remainder 6, so 6 should be subtracted The answer is (D).
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q: A pharmaceutical company received $4 million in royalties on the first $50 million in sales of and then $12 million in royalties on the next $170 million in sales. By approximately what percentage did the ratio of royalties to sales decrease from the first $50 million in sales to the next $170 million in sales?
Options:
(A) 12%
(B) 15%
(C) 45%
(D) 52%
(E) 56%
a:
Stream of consciousness: (12/170)/(4/50) = 15/17 = 88% it means that 12/170 represents only 88%. Therefore a decrease of 12%. The answer is (A).
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