question: The number N is 5,2H7, where H represents the ten's digit. If N is divisible by 3, what is the value of H?
Options:
(A) 3
(B) 8
(C) 5
(D) 6
(E) 4
answer: Stream of consciousness: If the number is divisible by 3, the sum of the digits must also be divisible by 3. Only 4 yields such a number. The answer is (E).

q: a student got 70% in one subject,80% in other.to get overall 75% how much he should get in third subject.
Options:
(A) 65%
(B) 75%
(C) 85%
(D) 95%
(E) 88%
a: Stream of consciousness: Already average of two subjects is (70+80)/2 = 75%
To maintain the percentage at 75%, he shouls get 75% marks in third subject The answer is (B).

question: There are 4 magazines lying on a table; 2 are fashion magazines and the other 2 are sports magzines. If 1 magazines are to be selected at random from the 8 magazines, what is the probability that at least one of the fashion magazine will be selected?
Options:
(A) 1
(B) 1/2
(C) 1/4
(D) 1/6
(E) 1/8
answer: Stream of consciousness: 1- (2c1/4c1) = 1-1/2 = 1/2 The answer is (B).

q: The average of 15 result is 60. Average of the first 10 of them is 10 and that of the last 10 is 80. Find the 8th result?
Options:
(A) 35
(B) 200
(C) 150
(D) 250
(E) 300
a: Stream of consciousness: Sum of all the 13 results = 15 * 60 = 900
Sum of the first 7 of them = 10 * 10 = 100
Sum of the last 7 of them = 10 * 80 = 800
So, the 8th number = 900 + 100 - 800 = 200. The answer is (B).

question: Find the largest 7 digit number which is exactly divisible by 88?
Options:
(A) 9998765
(B) 9998907
(C) 9999944
(D) 9999954
(E) 9999968
answer: Stream of consciousness: Largest 7 digit number is 9999999
After doing 9999999 88 we get remainder 31
Hence largest 7 digit number exactly divisible by 88 = 9999999 - 31 = 9999968 The answer is (E).

question: A 70 cm long wire is to be cut into two pieces so that one piece will be 2/5th of the other, how many centimeters will the shorter piece be?
Options:
(A) 10
(B) 20
(C) 30
(D) 40
(E) 50
answer:
Stream of consciousness: 1: 2/5 = 5: 2
2/7 * 70 = 20 The answer is (B).