Study the following information carefully and answer the below questions.

Nine persons- A to I are going for a corona test one after another but not necessarily in the same order.

C is tested three persons before D who is the last person tested for corona. The numbers of persons tested before E is same as after C. F is tested either immediately before or immediately after C. Three persons are tested between I and B. A is tested adjacent to neither I nor B. G is tested either immediately before D or immediately after B. The number of persons tested between G and H is same as between A and the one who is tested immediately after H.

1) Who among the following persons is tested immediately before H?

A. The one who is tested two persons before A

B. The one who is tested immediately after C

C.G

D.B

E. None of the above

2) Which of the following statements is/are true?

A.C is tested two persons before I

B.D is tested immediately after H

C. Only one person is tested between G and F

D. No one is tested between B and A

E. None of these 

3) If the persons are arranged in alphabetical order from the person who is tested at the first then how many persons are unchanged their positions?

A. No one

B. One

C. Two

D. Three

E. More than Three

4) How many persons are tested between D and E?

A. Five

B. Four

C. Three

D. Six

E. None of these

5) Four of the following are alike in a certain way. Who among the following does not belong to the group?

A.BA

B.EC

C.FD

D.CH

E.GI

Explanation

C is tested three persons before D who is the last person tested for corona.

The number of persons tested before E is same as after C.

F is tested either immediately before or immediately after C.

From the above conditions, there are two possibilities.

Three persons are tested between I and B.

A is tested adjacent to neither I nor B.

From the above conditions, there are three possibilities.

G is tested either immediately before D or immediately after B.

The number of persons tested between G and H is same as between A and the one who is tested immediately after H.

From the above conditions, case1 and case2a get eliminated.

Case2 shows the final arrangement.

1) Answer: B

2)  Answer: B

3) Answer: B

4) Answer: B

5) Answer: E