question: The inverse ratio of 4: 2: 1 is?
Options:
(A) 2:4:8
(B) 2:3:9
(C) 2:3:2
(D) 2:3:6
(E) 2:3:1
answer: Stream of consciousness: 1/4: 1/2: 1/1 = 2:4:8 The answer is (A).
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question: If the given two numbers are respectively 7% and 28% of a third number, then what percentage is the first of the second ?
Options:
(A) 20%
(B) 25%
(C) 18%
(D) 30%
(E) none of these
answer: Stream of consciousness: Here, l = 7 and m = 28
Therefore, first number = l/m x 100% of second number = 7/28 x 100% of second number = 25% of second number The answer is (B).
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question: A train running at the speed of 60 km/hr crosses a pole in 6 sec. What is the length of the train?
Options:
(A) 118
(B) 150
(C) 277
(D) 258
(E) 100
answer: Stream of consciousness: Speed = 60 * 5/18 = 50/3 m/sec
Length of the train = speed * time = 50/3 * 6 = 100 m The answer is (E).
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question: What number comes next in the following series? 4, 14, 44, 134, 404, ____
Options:
(A) 1204
(B) 1208
(C) 1214
(D) 1216
(E) 1220
answer:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
Stream of consciousness: 4
4 × 3 + 2 = 14
14 × 3 + 2 = 44
44 × 3 + 2 = 134
134 × 3 + 2 = 404
404 × 3 + 2 = 1214 The answer is (C).
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