PREPARATORY QUESTIONS

NUMBER SEQUENCES

PREPARATORY SET-27

Direction (Qs.1 to 5): There are five 3-digit numbers as given below and digits are counted from left to right, unless specifically mentioned.

 

469   348   968   517   249

Question No : 1

If the numbers are subtracted by 5, then how many numbers will be perfect cube?

(1) One

(2) Two

(3) Three

(4) Four

(5) None

Question No : 2

If in each number, the digits are arranged in ascending order which of the following will be the third lowest number?

(1) 348

(2) 517

(3) 469 

(4) 968 

(5) 249

Question No : 3

If in each number, the first and third digits are interchanged which is the second highest number?

(1) 968

(2) 517

(3) 348

(4) 249

(5) 469

Question No : 4

Which of the following numbers has the second highest sum of its digits?

(1) 348     

(2) 469 

(3) 968 

(4) 249

(5) 517

Question No : 5

If the odd digits within the number is subtracted by 1, and even digit within the number is added by 1, then which of the following numbers will be the highest?

(1) 469

(2) 348

(3) 968

(4) 517

(5) 249