Ques: How much 45% of 60 is greater than 35% of 40?
Options:
(A) 18
(B) 13
(C) 15
(D) 17
(E) 71
Ans: (B)
CoT: (45/100) * 60 (35/100) * 40
27 - 14 = 13

Ques: There are 42 distinct numbers in set M, there are 28 distinct numbers in set N, and there are 12 distinct numbers that are in both sets M and N. Set H is the set containing the elements that are in at least one of sets M and N. How many elements are in set H?
Options:
(A) 39
(B) 40
(C) 51
(D) 58
(E) 63
Ans: (D)
CoT: {Total} = {M} + {N} - {Both}
{Total} = 42 + 28 - 12 = 58.

Ques: In a certain parking lot, 3% of the cars are towed for parking illegally. However 80% of the cars which are parked illegally are not towed. What % of cars in the parking lot are parked illegally.'
Options:
(A) 11
(B) 13
(C) 15
(D) 60
(E) 75
Ans: (C)
CoT: So Total no. of cars parked illegally: 300
Total no. of cars: 2000
300/2000*100, So 15%

Ques: A goods train runs at the speed of 72 km/hr and crosses a 250 m long platform in 26 sec. What is the length of the goods train?
Options:
(A) 49 sec
(B) 50 sec
(C) 48 sec
(D) 43 sec
(E) 32 sec
Ans: (C)
CoT: D = 540 + 180 = 720
S = 54 * 5/18 = 15 mps
T = 720/15 = 48 se