List of top Quantitative Aptitude Questions on Logical Sequence

A series is given with some letters missing. Choose the set of letters which when sequentially placed shall complete it:
a__ dba __ bcad __ da __ cd}

If as many of the experiments as possible must be performed between R and S,
which of the following must be true?

If M is done first, which of the following true?

If S is to be done at some time after T, then T can be done in

Which of the following color sequences could one of the lights go through as its
color changes?

If X is orange and Z is purple, an interchange of these colors between X and Z
requires a total of at least how many color changes?

Which of the following is an acceptable sequence of experiments, from first to
last?

If X and Z each change color exactly once during a certain period and if, as a
result of these changes X is green and Z is orange, which of the following must
be true about that period?

Which of the following experiments can be done fourth and fifth, respectively, in
the sequence of experiments?

If P is done first and S is done second, then T can be done in

If X is red and Z is purple, the next color change to occur can be a change from

If O is the third painting auctioned and J is the fourth painting auctioned, which
of the following can be auctioned later in the order than G is auctioned?

If G is the second painting auctioned and if J is auctioned as late in the order as
possible, then O must be the painting auctioned

If M is auctioned as early in the order as possible, which of the following must
be true?

If K is the seventh painting auctioned, the latest in the order that J can be
auctioned is

If the fourth, fifth, and sixth paintings auctioned are O, M, and H, respectively,
which of the following must be true?

If O is the first painting auctioned and G is the fifth painting auctioned, then J
must be either the

If on Wednesday Graphics, Marketing, and Research are scheduled for room 1, room 2, and room 3, respectively, then any of the following can be true EXCEPT:

If Graphics is scheduled for room 1 on Wednesday and Marketing is scheduled for room 3 on Friday, then which of the following must be true?

If Marketing is scheduled for room 3 on Thursday and Research is scheduled for room 2 on Friday, then which of the following must be true?

If Research is scheduled for room 1 on Wednesday and Graphics is scheduled for room 1 on Thursday, then which of the following can be true?

If Marketing is to be scheduled for room 1 on Wednesday, then the schedule of workshops would be completely determined if which of the following were true?

Which of the following can be the workshops given in room 1 and room 2 on each of the three days?

If Graphics is scheduled for room 1 on Wednesday and Marketing is scheduled for room 2 on Thursday, then which of the following must be scheduled for Friday?

If the mall is visited either on the day immediately preceding or on the day immediately following the visit to the shelter, which of the following must be true?