PREPARATORY QUESTIONS

NUMBER SEQUENCES

PREPARATORY SET-57

Directions (Qs.1 to 5): Study the set of numbers given below and answer the questions which follow:

924   643   867   758   568

 

Question No : 1

If in each number, the first and the last digits are interchanged, then which of the following will be the third highest number?

(1) 924

(2) 643

(3) 867

(4) 758

(5) 568

Question No : 2

If in each number, all the three digits are arranged in the descending order, then which of the following will be the third lowest number?

(1) 643

(2) 568

(3) 924

(4) 867

(5) 758

Question No : 3

Which of the following numbers will be obtained if the second digit of the lowest number is subtracted from the first digit of the largest number after subtracting one from each digit of each of the numbers?

(1) 1

(2) 2

(3) 3

(4) 4

(5) 0

Question No : 4

If in each number, the second and the first digits are interchanged, then which will be the highest number?

(1) 758

(2) 867

(3) 643

(4) 924

(5) 568

Question No : 5

If one is subtracted from the first digit of each of the numbers and then the first and the third digits are interchanged, then which of the following will be the lowest?

(1) 643

(2) 924

(3) 758

(4) 867

(5) 568