question: In each series, look for the degree and direction of change between the numbers. In other words, do the numbers increase or decrease, and by how much?
Look at this series: 95, 10, 75, 20, 55, ... What number should come next?
Options:
(A) 35
(B) 40
(C) 30
(D) 25
(E) 90
answer: Stream of consciousness: C
30
This is an alternating addition and subtraction series. In the first pattern, 20 is subtracted from each number to arrive at the next. In the second, 10 is added to each number to arrive at the next. The answer is (C).

q: Maximum no of unsuccessful attempts, a thief can do in order to break a number locking system of 4 digits.
Options:
(A) 9988
(B) 9999
(C) 9799
(D) 9685
(E) 6545
a: Stream of consciousness: From 0 to 9999 there are 10000 four digit numbers
So maximum number of unsuccessful attempts = 10000 - 1 = 9999 The answer is (B).

question: What approximate value should come in place of question mark (?) in the following equation
287.532 + 1894.029 857.48 = 743.095 + ?
Options:
(A) 870
(B) 790
(C) 580
(D) 770
(E) 890
answer: Stream of consciousness: ? = 285 + 1895 855 745 or, ? = 580 The answer is (C).

q: 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
a: Stream of consciousness: Each crate requires 4 apples and totally there are 10 crates so required apples = 10 * 4 = 40 The answer is (C).

question: An seller earns an income of Re 3 on the first day of his business. On every subsequent day, he earns an income which is just thrice of that made on the previous day. On the 15th day of business, he earns an income of:
Options:
(A) 19
(B) 22
(C) 25
(D) 20
(E) 36
answer: Stream of consciousness: 2nd day he earns = 3(2 3)
3rd day he earns = 3(3 3)
On 15th day he earns 3(15 -3) = 36 rupees The answer is (E).

question: Find the simple interest on Rs.580 for 11 months at 9 paisa per month?
Options:
(A) 574
(B) 270
(C) 566
(D) 266
(E) 121
answer:
Stream of consciousness: I = (580*11*9)/100 = 574 The answer is (A).