PREPARATORY QUESTIONS

NUMBER SEQUENCES

PREPARATORY SET-30

Direction (Qs.1 to 5): Study the following arrangement carefully and answer the questions given below:

3 2 8 1 7 5 4 6 9 1 2 3 5 4 6 7 3 9 5 8 1 5 8 2 7 4 9 1 4 3 5 7 9

Question No : 1

How many such 5’s are there in the above arrangement each of which is immediately preceded by odd digit and immediately followed by an even digit?

(1) Two

(2) Four

(3) Three

(4) One

(5) None

Question No : 2

If all the even digits are deleted from the above arrangement, which of the following will be eighth from the right end of the arrangement?

(1) 1

(2) 7

(3) 9

(4) 5

(5) 3

Question No : 3

How many such 2’s are there in the above arrangement, each of which is immediately preceded by a perfect square?

(1) None

(2) One

(3) Two

(4) Three

(5) More than three

Question No : 4

What is the difference between the digit which is 7th from the left end and the digit which is 11th from the right end of the arrangement?

(1) 4

(2) 1

(3) 2

(4) 3

(5) 5

Question No : 5

Which of the following is 6th to the left of the 20th digit from the left end of the above arrangement?

(1) 1

(2) 4

(3) 3

(4) 9

(5) 8