PREPARATORY QUESTIONS

NUMBER SEQUENCES

PREPARATORY SET-67

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

 

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

 

Question No : 1

If all the odd numbers are dropped from the above sequence, what is the sum of the numbers present in the odd position of the sequence?

(1) 28

(2) 30

(3) 24

(4) 36

(5) 32

Question No : 2

How many such multiples of 2 are there in the above sequence which is immediately preceded by even number?

(1) One

(2) Two

(3) Three

(4) Four

(5) Five

Question No : 3

If all the odd numbers in the sequence are replaced by alphabets starting from A from the left, then which number is replaced by alphabet ‘G’?

(1) 4

(2) 9

(3) 3

(4) 6

(5) 5

Question No : 4

If every alternate number is dropped from the left end (1 is dropped), how many even numbers have even numbers as both of their neighbours?

(1) None

(2) One

(3) Two

(4) Three

(5) Four

Question No : 5

If all the even numbers are increased by 1 in the given sequence, then how many 3’s are there in the new sequence?

(1) Three

(2) Four

(3) Five

(4) Six

(5) Seven