Question: Find the odd man out
4, 10, 22, 40, 84, 94
Options:
(A) 22
(B) 40
(C) 94
(D) 84
(E) 10
Answer: Differnce is multiple of 6
4 and 10 diff is 6
10 and 22 diff is 12
22 and 40 diff is 18
40+24 = 64 but in series it is mentioned as 84
64+30 = 94
The answer is (D).

Question: In how many different ways can the letters of the word "NEGLIGENCE" be rearrangement?
Options:
(A) 3628800
(B) 3628800
(C) 3628812
(D) 3428800
(E) 3368800
Answer: Option 'B'
The total number of arrangements is
10P10 = 10! = 3628800
The answer is (B).

Question: A train 650 m long is running at a speed of 81 km/hr. In what time will it pass a bridge 340 m long?
Options:
(A) 42
(B) 43
(C) 44
(D) 45
(E) 46
Answer: Speed = 81 * 5/18 = 45/2 m/sec
Total distance covered = 650 + 340 = 990 m
Required time = 990 * 2/45 = 44 se
The answer is (C).

Question: If rupee one produces rupees nine over a period of 42 years, find the rate of simple interest?
Options:
(A) 22 1/7 %
(B) 22 3/2 %
(C) 21 3/7 %
(D) 22 1/2 %
(E) 22 1/2 %
Answer:
9 = (1*42*R)/100
R = 21 3/7 %
The answer is (C).