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: There are 10 flavors of ice cream, 3 types of nuts and 5 types of fruit at an ice cream store. If a person can choose 2 ice cream flavors as base, 2 types of nuts and 2 types of fruit. How many different variations are possible if repetition is allowed ?
Options:
(A) 150
(B) 250
(C) 22500
(D) 225
(E) 225000
answer: Stream of consciousness: Ice cream flavors: 10x10 = 100
Nuts: 3x3 = 9
Fruit: 5x5 = 25
Total = 22500 The answer is (C).

q: A batsman makes a score of 87 runs in the 17th inning and thus increases his average by 3. Find his average after 17th inning?
Options:
(A) 39
(B) 88
(C) 3
(D) 7
(E) 62
a: Stream of consciousness: Let the average after 7th inning = x
Then average after 16th inning = x - 3
\inline
n_jvn herefore 16(x-3)+87 = 17x
\inline
n_jvn herefore x = 87 - 48 = 39 The answer is (A).

question: How many numbers between 10 - 99 yield a reminder of 8 when divided by 10 and also yield a remainder of 2 when divided by 8?
Options:
(A) One
(B) Three
(C) Two
(D) Five
(E) Four
answer: Stream of consciousness: Answer = B) Three
Numbers between 10 - 99 giving remainder 8 when divided by 10 = 18, 28, 38, 48, 58, 68, 78, 88, 98
The above Numbers giving remainder 2 when divided by 8 = 18, 58, 98 = 3 The answer is (B).

q: Which one of the following is not a prime number?
Options:
(A) 51
(B) 61
(C) 71
(D) 82
(E) 91
a: Stream of consciousness: 91 is divisible by 7. So, it is not a prime number. The answer is (E).

q: The salary of a worker is first increased by 30% and afterwards reduced by 30%. What is net change in his salary?
Options:
(A) 90% increase
(B) 45% increase
(C) 9% decrease
(D) Same as before
(E) NONE
a:
Stream of consciousness: (30 * 30)/100 = 9% decrease The answer is (D).