PREPARATORY QUESTIONS

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PREPARATORY SET-74 

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NUMBER SEQUENCES

PREPARATORY SET-74

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

 

657   324   732    517   825

 

Question No : 1

If in each number all the digits are arranged in ascending order within the number what will be the difference between the lowest and the highest number?

(1) 450

(2) 410

(3) 520

(4) 125

(5) None of these

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 three digits of the number which is second from the right?

(1) 20

(2) 15

(3) 24

(4) 22

(5) 12

Question No : 3

If ‘3’ is added to the second digit of every odd number and ‘1’ is subtracted from the third digit of every even number, in how many numbers thus formed will the third digit be greater than the second digit?

(1) None

(2) One

(3) Two

(4) Four

(5) None of these

Question No : 4

If ‘1’ is added to all even digits in all the numbers, in which of the following numbers will the difference between the first and the third digit be more than four?

(1) 324

(2) 517

(3) 825

(4) 732

(5) None of these

Question No : 5

If in all the numbers the first and the second digit are interchanged, then which of the numbers will be the highest number?

(1) 324

(2) 517

(3) 657

(4) 732

(5) 825