question: A man purchased 2 blankets @ Rs.100 each, 5 blankets @ Rs.150 each and two blankets at a certain rate which is now slipped off from his memory. But he remembers that the average price of the blankets was Rs.150. Find the unknown rate of two blankets?
Options:
(A) 278
(B) 277
(C) 278
(D) 450
(E) 550
answer: Stream of consciousness: 10 * 150 = 1500
2 * 100 + 5 * 150 = 950
1500 1050 = 550 The answer is (E).

q: What is the units digit of the expression 14^719^4?
Options:
(A) 0
(B) 3
(C) 4
(D) 6
(E) 8
a: Stream of consciousness: I think answer on this one should be E too. Since we know that 14^7>19^4, as Will said one should always check if the number is positiv The answer is (E).

question: In Sam's hanger there are 23 boxes, 16 out of the boxes are filled with toys and the rest are filled with electrical appliances. 8 boxes are for sale, 6 of them are filled with toys. How many boxes with electrical appliances are in Sam's hanger that is not for sale?
Options:
(A) 1.
(B) 2.
(C) 3.
(D) 4.
(E) 5.
answer: Stream of consciousness: Total boxes = 23
Filled with toys = 16
Filled with appliance = 7
Total boxes for sale = 8
Toy boxes for sale = 6
Appliance boxes for sale = 2
Appliance boxes not for sale = 7 - 2 = 5 The answer is (E).

q: A train running at the speed of 60 km/hr crosses a pole in 12 sec. What is the length of the train?
Options:
(A) 120 m
(B) 200 m
(C) 324 m
(D) Cannot be determined
(E) None of these
a: Stream of consciousness: Speed = 60 * 5/18 = 50/3 m/sec
Length of the train = speed * time = 50/3 * 12 = 200 m The answer is (B).

question: What is the sum of all the prime numbers greater than 50 but less than 70?
Options:
(A) 249
(B) 248
(C) 246
(D) 240
(E) 241
answer: Stream of consciousness: Required sum = (53 + 59 + 61 + 67 ) = 240
Note: 1 is not a prime number The answer is (D).

question: Which value of x does statisfy the inequality 2x2 + x 3 < 0?
Options:
(A) -32 < x < 1
(B) -1 < x < 32
(C) x > 1
(D) x < -25
(E) None of these
answer:
Stream of consciousness: 2x2 + x 3 < 0
(x 1)(2x + 3) < 0 or, -32 < x < 1 The answer is (A).