PREPARATORY QUESTIONS

NUMBER SEQUENCES

PREPARATORY SET-01

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

 

853   581    747    474    398

 

Question No : 1

If all the digits in each of the numbers are arranged in descending order within the number, which of the following will form the lowest in the new arrangement of numbers?

(1) 853

(2) 581

(3) 747

(4) 398

(5) 474

Question No : 2

If all the numbers are arranged in ascending order from left to right, which of the following will be the sum of all the three digits of the number which is exactly in the middle of the new arrangement?

(1) 17

(2) 15

(3) 14

(4) 13

(5) 19

Question No : 3

What will be the resultant if third digit of the lowest number is multiplied with the second digit of the highest number?

(1) 27

(2) 40

(3) 20

(4) 45

(5) 19

Question No : 4

If the positions of the second and the third digits of each of the numbers are interchanged, how many even numbers will be formed?

(1) Two

(2) One

(3) None

(4) Three

(5) Four

Question No : 5

If one is added to the first digit it of each of the numbers, how many numbers thus formed will be divisible by three?

(1) None

(2) One

(3) Three

(4) Two

(5) Four