Directions (Q. 1-5): Study the following arrangement carefully and answer the questions given below:
1 5 8 4 2 1 5 2 3 4 5 6 7 8 9 5 1 4 1 5 6 8 7 4
1. Which of the following is ninth to the left of twenty first from the left end of the above arrangement? (3)
(1) 7
(2) 5
(3) 6
(4) 8
(5) None of these
2. How many such 5’s are there in the above arrangement, each of which is immediately preceded by an odd digit and immediately followed by an even digit? (4)
(1) None
(2) One
(3) Two
(4) Three
(5) More than three
3. How many such 1’s are there in the above arrangement each of which is immediately followed by a perfect square? (2)
(1) None
(2) One
(3) Two
(4) Three
(5) More than three
4. How many such 4’s are there in the above arrangement, each of which is immediately preceded by a digit which has a numerical value more than four? (3)
(1) None
(2) One
(3) Two
(4) Three
(5) More than three
5. If all the even digits are deleted from the above arrangement which of the following will be tenth from the right end of the arrangement? (1)
(1) 5
(2) 3
(3) 1
(4) 7
(5) 9