question: In an office, 10 percent of the workers have at least 5 years of service, and a total of 16 workers have at least 10 years of service. If 90 percent of the workers have fewer than 10 years of service, how many of the workers have at least 5 but fewer than 10 years of service?
Options:
(A)  16
(B)  64
(C)  50
(D)  144
(E)  160
answer: Stream of consciousness: (10/100)Workers = 16 = > number of workers = 160
(10/100)*Workers = x+16 = > x = 16 The answer is (A).


q: A train 210 meters long is running with a speed of 54 kmph. The time taken by it to cross a tunnel 120 meters long is?
Options:
(A) 29
(B) 22
(C) 48
(D) 99
(E) 11
a: Stream of consciousness: D = 210 + 120 = 330
S = 54 * 5/18 = 15 mps
T = 330/15 = 22 sec The answer is (B).


question: If the ratio of ages of two friends is 4:3 and sum of their ages is 70 years then what is the age of older friend?
Options:
(A) 30 years
(B) 35 years
(C) 40 years
(D) 25 years
(E) 45 years
answer: Stream of consciousness: Sum of thier ages is 70 in ratio 4:3
So 40+30 gives us 70. Wich is 4:3 so, older guy is having 40. The answer is (C).


q: Find the odd man out
253, 136, 352, 327, 631, 244
Options:
(A) 327
(B) 136
(C) 352
(D) 631
(E) 531
a: Stream of consciousness: The sum all three digits comes to 10 except 327 The answer is (A).


question: Find the amount on Rs.8000 in 9 months at 20% per annum, if the interest being compounded quarterly?
Options:
(A) 9261
(B) 1261
(C) 9621
(D) 9162
(E) 5000
answer: Stream of consciousness: A = 8000(21/20)3 = 9261 The answer is (A).


question: Using all the letters of the word "THURSDAY", how many different words can be formed?
Options:
(A) 8!
(B) 1
(C) 7
(D) 6
(E) 5
answer:
Stream of consciousness: Total number of letters = 8
Using these letters the number of 8 letters words formed is 8P8 = 4. The answer is (A).