question: The length of a rectangle is increased by 20% and its breadth is decreased by 20%. What is the effect on its area?
Options:
(A) 1288
(B) 9600
(C) 1000
(D) 10000
(E) 2887
answer: Stream of consciousness: 100 * 100 = 10000
120 * 80 = 9600 The answer is (B).


q: There are 3 teams each with 5 basket players. How many combinations are there if we were to pick 2 players from the 3 teams such that no team was picked twice?
Options:
(A) 50
(B) 23
(C) 75
(D) 28
(E) 45
a: Stream of consciousness: There are altogether three arrangements, which are we can select two members each from team A and B, each from team A and C, and each from team B and C. For each arrangement, there are altogether 25 possibilities (5*5) since each team has 5 players. So there are a total of 75 possibilities (25*3). The answer is (C).


question: List K consists of 10 consecutive integers. If -3 is the least integer in list K, what is the range of the positive integers in list K?
Options:
(A) 5
(B) 6
(C) 7
(D) 11
(E) 12
answer: Stream of consciousness: Answer = A = 5
If least = -3, then largest = 6
Range = 6- 1 = 5 The answer is (A).


q: What should come in place of the question mark (?) in the following equation?
45789+ 34567 = 610+ ?
Options:
(A) 96543
(B) 13678
(C) 23456
(D) 56789
(E) 79746
a: Stream of consciousness: 45789+ 34567 = 610+ ?
45789+ 34567 – 610 = 79746 The answer is (E).


question: The average of 10 numbers is calculated as 15. It is discovered later on that while calculating the average, one number namely 36 was wrongly read as 26. The correct average is?
Options:
(A) 22
(B) 88
(C) 16
(D) 83
(E) 82
answer: Stream of consciousness: 10 * 15 + 36 – 26 = 160/10 = 16 The answer is (C).


question: What should come in place of the question mark (?) in the following equation?
45789+ 34567 = 610+ ?
Options:
(A) 96543
(B) 13678
(C) 23456
(D) 56789
(E) 79746
answer:
Stream of consciousness: 45789+ 34567 = 610+ ?
45789+ 34567 – 610 = 79746 The answer is (E).