question: Find the area of the quadrilateral of one of its diagonals is 20 cm and its off sets 9 cm and 6 cm?
Options:
(A) 128
(B) 150
(C) 887
(D) 279
(E) 771
answer: Stream of consciousness: 1/2 * 20(9 + 6) = 150 cm2 The answer is (B).

q: A person spends 40% of his salary on food, 25% on house rent, 15% on entertainment and 15% on conveyance. If his savings at the end of the month is Rs. 1200, then his salary per month in rupees is:
Options:
(A) 4000
(B) 24000
(C) 8000
(D) 10000
(E) None of these
a: Stream of consciousness: Total expenditure = 40 + 25 + 15 + 15 = 95%
Saving = (100 - 95) = 5%
5/100 Salary = 1200, Salary = 24000 Rs. The answer is (B).

question: 10 men can complete a piece of work in 15 days and 15 women can complete the same work in 12 days. If all the 10 men and 15 women work together, in how many days will the work get completed?
Options:
(A) 6
(B) 7 23
(C) 6 23
(D) 6 13
(E) None of these
answer: Stream of consciousness: 10 men + 15 women in 1 day do 115 + 112 = 960 work
\ Time taken = 609 days = 623 days The answer is (C).

q: What is the area of a square with perimeter 2P ?
Options:
(A) 16p^2
(B) 4P
(C) P^2/5
(D) P/16
(E) P^2/4
a: Stream of consciousness: Each side is p/2
A = (p/2)^2 = (p^2)/4 The answer is (E).

question: Find the product of the localvalue and absolutevalue of 1 in 20168?
Options:
(A) 100
(B) 110
(C) 151
(D) 120
(E) 140
answer: Stream of consciousness: Local value of 1 = 1 x 100 = 100
Place value of 1 = 1
There fore = 1 x 100 = 100 The answer is (A).

question: The average of 13 numbers is 58. Average of the first 7 of them is 57 and that of the last 7 is 61. Find the 8th number?
Options:
(A) 72
(B) 83
(C) 45
(D) 53
(E) 64
answer:
Stream of consciousness: Sum of all the 13 numbers = 13 * 58 = 754
Sum of the first 7 of them = 7 * 57 = 399
Sum of the last 7 of them = 7 * 61 = 427
So, the 8th number = 427 + 399 - 754 = 72. The answer is (A).