question: Look at this series: 1.25, 7.5, ____, 270, 1620, ... What number should fill the blank?
Options:
(A) 50
(B) 65
(C) 45
(D) 55
(E) 40
answer: Stream of consciousness: This is a simple multiplication series. Each number is 6 times greater than the previous number. The answer is (C).
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question: he population of a city is 110,000. If it increases at the rate of 6% per annum, then what will be its population 2 years hence?
Options:
(A) 123596
(B) 1237723
(C) 123776
(D) 123728
(E) 123718
answer: Stream of consciousness: Population after n years = P [1 + (R/100)]2
Population after 2 years = 110000 * [1 + 6/100]2 = (110000 x 53/50 x 53/50) = 123596 The answer is (A).
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question: If 10 crates have 96 apples each and how many apples more is required in order to make 100 apples in each crate?
Options:
(A) 5
(B) 10
(C) 40
(D) 20
(E) 0
answer: Stream of consciousness: Each crate requires 4 apples and totally there are 10 crates so required apples = 10 * 4 = 40 The answer is (C).
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question: A man took loan from a bank at the rate of 12% p.a. S.I. After 3 years he had to pay Rs. 5400 interest only for the period. The principal amount borrowed by him was?
Options:
(A) 3887
(B) 2768
(C) 15000
(D) 76887
(E) 16711
answer:
Stream of consciousness: Principal = (100 * 5400) / (12 * 3) = Rs. 15000 The answer is (C).
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