question: X can finish a work in 24 days. Y can finish the same work in 16 days. Yworked for 10 days and left the job. how many days does X alone need to finish the remaining work?
Options:
(A) 3
(B) 5
(C) 6
(D) 8
(E) 9
answer: Stream of consciousness: Work done by X in 1 day = 1/24
Work done by Y in 1 day = 1/16
Work done by Y in 10 days = 10/16 = 5/8
Remaining work = 1 5/8 = 3/8
Number of days in which X can finish the remaining work = (3/8) / (1/24) = 9 The answer is (E).

q: How much is 65% of 40 is greater than 4/5 of 25?
Options:
(A) 29
(B) 776
(C) 66
(D) 12
(E) 6
a: Stream of consciousness: (65/100) * 40 (4/5) * 25
26 - 20 = 6 The answer is (E).

question: In how many different ways can the letters of the word "NEGLIGENCE" be rearrangement?
Options:
(A) 3628800
(B) 3628800
(C) 3628812
(D) 3428800
(E) 3368800
answer: Stream of consciousness: Option 'B'
The total number of arrangements is
10P10 = 10! = 3628800 The answer is (B).

q: 5,9,19,31,51,__
Options:
(A) 84
(B) 80
(C) 81
(D) 82
(E) 83
a: Stream of consciousness: (9+5) +5 = 19
(16+9) +6 = 31
(28+16)+7 = 51
(48+28)+8 = 84 The answer is (A).

question: 110 is increased by 50%. Find the final number.
Options:
(A) 100
(B) 110
(C) 150
(D) 155
(E) 165
answer: Stream of consciousness: Final number = Initial number + 50%(original number) = 110 + 50%(110) = 110 + 55 = 165. The answer is (E).

question: If the average (arithmetic mean) of the four numbers K, 2K + 3, 4K 4 and 5K + 1 is 63, what is the value of K?
Options:
(A) 11
(B) 15 3/4
(C) 21
(D) 23
(E) 25 3/10
answer:
Stream of consciousness: K + 2K +3 + 4K - 4 + 5K +1 = 12K
(12K)/4 = 63
12K = 63 * 4 = 252
K = 252 / 12 = 21 The answer is (C).