other Exam Numerical Ability Arithmetic

1/[1 + a^(n - m)] + 1/[1 + a^(m - n)] = ?

A. 0
B. 1/2
C. 1
D. a^(m +n)

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other Other Question
A table clock loses 7 minutes every 1 hour. When the table clock complete 1 hour, the wall clock gets 10 minutes ahead of it. In 1 hour of the wall clock, a wrist watch falls 5 minutes behind it. In 1 hour of the wristwatch, the alarm clock gets 5 minutes ahead of it. At midnight, all 4 the clocks were set correctly. What time will the alarm clock show when the correct time is 6 p.m. on the same day to the nearest minute?

A. 5:47:32.5
B. 5:25:48.7
C. 5:32:47:5
D. 5:35:42.8
Queues serve a major role in

Option 1 : simulation of recursion
Option 2 : simulation of arbitrary linked list
Option 3 : simulation of limited resource allocation
Option 4 : expression evaluation