Q: An amount of money is to be divided among P, Q and R in the ratio of 4 : 9 : 16. If R gets 4 times more than P, what is Q's share in it?
Options:
(A) 1,800
(B) 2,700
(C) 3,600
(D) Data inadequate
(E) None of these
A: OK... Stream of consciousness: Here, neither the total amount nor the individual amount is given. So the share of Q cannot be determine
The answer is (D).

Q: What is the units digit of the expression 14^715^4?
Options:
(A) 0
(B) 8
(C) 4
(D) 6
(E) 3
A: OK... Stream of consciousness: I think answer on this one should be B too. Since we know that 14^7>15^4, as Will said one should always check if the number is positive.
The answer is (B).

Q: An design manager has 10patterns of chairs & 9patterns of tables. In how many ways can he make a pair of table & chair?
Options:
(A) 20
(B) 40
(C) 80
(D) 90
(E) 100
A: OK... Stream of consciousness: He has has ten patterns of chairs and eight patterns of tables
Hence, A chair can be arranged in 10 ways and
A table can be arranged in 9 ways
Hence one chair and one table can be arranged in 10 x 9 ways = 90 ways
The answer is (D).

Q: Which of the following is not divisible by 3?
Options:
(A) 10394
(B) 15363
(C) 29340
(D) 30753
(E) 41715
A:
OK... Stream of consciousness: Divisibility rule of 3: The sum of the digits of the number should be divisible by 3
Option A: 10394, Sum = 17. Not divisible by 3. Hence the number 10394 is also not divisible by 3
Option B: 15363, Sum = 18, Divisible by 3
Option C: 29340, Sum = 18, Divisible by 3
Option D: 30753, Sum = 18, Divisible by 3
Option E: 41715, Sum = 18, Divisible by 3
The answer is (E).