PREPARATORY QUESTIONS

NUMBER SEQUENCES

PREPARATORY SET-100

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


341   819   764   121   547

 

Question No : 1

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

(1) 341

(2) 819

(3) 121

(4) 764

(5) 547

Question No : 2

If all the numbers are arranged in ascending order from left to right then, which of the following will be the sum of all the three digits of the number which is 4th from the right in the new arrangement?

(1) 10

(2) 19

(3) 8

(4) 16

(5) None of these

Question No : 3

What will be the difference when third digit of the 3rd lowest number is multiplied with the second digit of the highest number and third digit of the 2nd highest number is multiplied with the second digit of the lowest number?

(1) 1

(2) 2

(3) 5

(4) 6

(5) None of these

Question No : 4

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

(1) None

(2) One

(3) Two

(4) Three

(5) Four

Question No : 5

If one is added to the second digit of each of the numbers and one is subtracted to the third digit of each number then, how many numbers thus formed will be divisible by three in new arrangement?

(1) None

(2) Four

(3) Two

(4) Three

(5) One