Which of the following option is incorrect about the

How many 5's are there followed by 3 but not preceded by 7?

7 5 3 1 6 8 5 8 4 3 5 3 7 1 6 1 5 8 6 4 5 3 2 5

Choose the figure which is different from the rest.

From among the given alternatives select the one in which the set of numbers is most like the set of numbers given in the question.

(5, 9, 17)

Select the one which is different from the other three responses.

What is the difference between the floor numbers of X and Y?

Choose the figure which is different from the rest.

How many persons live between B and C?

Out of the following five figures, four are alike in some manner and one differs from these in some manner. Select the odd figure.

Choose the figure which is different from the rest.