PREPARATORY QUESTIONS

NUMBER SEQUENCES

PREPARATORY SET-11

Direction (Qs.1 to 5): These questions are based on five three-digit numbers given below.

 

620   537   184   723   463

 

Question No : 1

If all the numbers are arranged in descending order from left to right, which of the following will be sum of all three digits of the number which is second from the left?

(1) 7

(2) 6

(3) 8

(4) 12

(5) None of these

Question No : 2

What will be the resultant of the product of the first digit of the second highest number and the third digit of the second lowest number?

(1) 14

(2) 12

(3) 16

(4) 18

(5) 20

Question No : 3

If the position of second and third digit of each numbers are interchanged. Then, what will be the resultant of the third digit of the lowest number thus formed multiplied by the second digit of the highest number thus formed?

(1) 22        

(2) 24

(3) 26

(4) 28

(5) 18

Question No : 4

If in each number all the digits are arranged in ascending order from left to right within the number, then how many numbers thus formed will be even number?

(1) None

(2) One

(3) Two

(4) Three

(5) Four

Question No : 5

If ‘1’ is subtracted from the second digit of every even number and ‘2’ is added to the third digit of the every odd number. Then in how many numbers will a digit appear twice?

(1) Two

(2) Three

(3) One

(4) None

(5) Four