question: There are 10 female and 15 male in a work place. In how many ways can a person can be selected?
Options:
(A) 20
(B) 15
(C) 18
(D) 40
(E) 25
answer: Stream of consciousness: No of ways = 10+ 15 = 25 The answer is (E).

q: Find 95 98
Options:
(A) 93/198
(B) 93/12
(C) 93/13
(D) 93/10
(E) 93/11
a: Stream of consciousness: Here both numbers are less than 100. So they are deficient of - 5 and - 2 compared with 100. So The answer is (D).

question: How much 60% of 50 is greater than 40% of 30?
Options:
(A) 18
(B) 99
(C) 77
(D) 66
(E) 12
answer: Stream of consciousness: (60/100) * 50 (40/100) * 30
30 - 12 = 18ch 60% of 50 is greater than 40% of 30? The answer is (A).

q: Find the value of y from (12)^3 x 6^4432 =y?
Options:
(A) 4363
(B) 4765
(C) 4879
(D) 6789
(E) 5184
a: Stream of consciousness: Given Exp. = (12)3 x 64 = (12)3 x 64 = (12)2 x 62 = (72)2 = 5184
432 12 x 62 The answer is (E).

question: The average amount with a group of seven numbers is Rs. 30. If the newly joined member has Rs. 70 with him, what was the average amount with the group before his joining the group?
Options:
(A) s. 25.6
(B) s. 70/3
(C) s. 16.6
(D) s. 26/3
(E) s. 25
answer: Stream of consciousness: Total members in the group = 7
Average amount = Rs. 30
Total amount with them = 7 * 30 = Rs. 210
One number has Rs. 70. So, the amount with remaining 6 people = 210 - 70 = Rs. 140
The average amount with them = 140/6 = Rs. 70/3 The answer is (B).

question: How many two-digit numbers satisfy this property.: The last digit (unit's digit) of the square of the two-digit number is 7 ?
Options:
(A) 3
(B) 1
(C) 4
(D) 0
(E) 2
answer:
Stream of consciousness: A number ending with 7 can never be a perfect square. The answer is (D).