MBA Exam Logical Reasoning Seating Arrangement

People are sitting in theater
watching a movie. The row they are in contains several seats. After
intermission, they all return to the same row but choose their seats randomly.
What is the probability that neither of the two people sitting in the two seats
were previously sitting in an aisle seat?

1) 1
2) 0
3) 17/21
4) 13/21

Read Solution (Total 1)

MBA Other Question
Q: QQAD team decides to go on vacation for 8 days trusting their NL software system. The problems are fed into the system and date timer set in advance for each 8 days for the questions to be delivered to the subscribers daily. However, the software follows a weird rule. It doesn't always deliver the NL daily in those 8 days, but never misses 3 consecutive deliveries. How many possible ways are there for the NLs delivery in those 8 days?

1) 162
2) 138
3) 117
4) 149
 Find the real solutions to x, y & z if :log10(2000xy) - log10x log10y = 4,log10(2yz) - log10y log10z = 1,log10zx - log10z log10x = 0.

1) (1, 5, 1), (100, 20, 100)
2) (10, 4, 3), (100, 20, 100)
3) (1, 5, 1), (120, 25, 120)
4) None of these