question: BCB, DED, FGF, HIH, ___
Options:
(A) KOP
(B) QLM
(C) JKJ
(D) PSQ
(E) IOP
answer: Stream of consciousness: This series consists of a simple alphabetical order with the first two letters of all segments: B, C, D, E, F, G, H, I, J, K. The third letter of each segment is a repetition of the first letter. The answer is (C).

q: A can do a piece of work in 10 days. He works at it for 4 days and then B finishes it in 9 days. In how many days can A and B together finish the work?
Options:
(A) 6
(B) 8
(C) 12
(D) 15
(E) 20
a: Stream of consciousness: 4/10+9/X = 1/x = 15
1/10+1/15 = 1/6 = 6 days The answer is (A).

question: A no.when divided by 142 gives a remainder 110, what remainder will be obtainedby dividingthe same no.14?
Options:
(A) 16
(B) 17
(C) 18
(D) 19
(E) 20
answer: Stream of consciousness: 142 + 110 = 252/14 = 18 (Remainder) The answer is (C).

q: A can do a piece of work in 6 hours; B and C together can do it in 4 hours, which A and C together can do it in 3 hours. How long will B alone take to do it?
Options:
(A) 8hours
(B) 6hours
(C) 14hours
(D) 12hours
(E) 5hours
a: Stream of consciousness: A's 1 hour work = 1/6;
(B + C)'s 1 hour work = 1/4;
(A + C)'s 1 hour work = 1/3
(A + B + C)'s 1 hour work = (1/4 + 1/6) = 5/12
B's 1 hour work = (5/12 - 1/3) = 1/12
B alone will take 12 hours to do the work. The answer is (D).

question: Look at this series: 53, 53, 41, 41, 29, 29, ... What number should come next?
Options:
(A) A) 12
(B) B) 14
(C) C) 27
(D) D) 53
(E) E) 17
answer: Stream of consciousness: In this series, each number is repeated, then 12 is subtracted to arrive at the next number. The answer is (E).

question: At what rate percent on simple interest will a sum of money double itself in 30 years?
Options:
(A) 3 1/3%
(B) 3 1/8%
(C) 3 7/3%
(D) 3 1/7%
(E) 3 1/1%
answer:
Stream of consciousness: P = (P*30*R)/100
R = 3 1/3% The answer is (A).