q: Express 30 mps in kmph?
Options:
(A) 122
(B) 108
(C) 110
(D) 150
(E) 100
a: Stream of consciousness: 30 * 18/5 = 108 kmph The answer is (B).


question: The inverse ratio of 6: 2: 1 is?
Options:
(A) 2:3:7
(B) 2:3:9
(C) 2:3:2
(D) 1:3:6
(E) 2:3:1
answer: Stream of consciousness: 1/6: 1/2: 1/1 = 1:3:6 The answer is (D).


q: Find the wrong number below mentioned series
3,20,50,60,80
Options:
(A) 80
(B) 60
(C) 50
(D) 20
(E) 3
a: Stream of consciousness: 3 is the only prime number or odd number in the series. The answer is (E).


question: The edge of a cube is 5a cm. Find its surface?
Options:
(A) 24a8
(B) 150a2
(C) 24a1
(D) 24a2
(E) 24a7
answer: Stream of consciousness: 6a2 = 6 * 5a * 5a = 150a2 The answer is (B).


q: A man walks at a speed of 3 km/hr and runs at a speed of 9 km/hr. How much time will the man require to cover a distance of 18 km, if he completes half of the distance, i.e., (9) km on foot and the other half by running?
Options:
(A) 4
(B) 5
(C) 6
(D) 8
(E) 9
a: Stream of consciousness: Required time = (9)/3 + (9)/9 = 4 hours. The answer is (A).


q: The no. of girls in a class are seven times the no. of boys, which value cannever be the of total students?
Options:
(A) 10
(B) 25
(C) 30
(D) 45
(E) 50
a:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
Stream of consciousness: Let the boys are X, then girls are 7X, total = X+7X = 8X
So it should be multiple of 8, 30 is not a multiple of 8. The answer is (C).