PREPARATORY QUESTIONS

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NUMBER SEQUENCES

PREPARATORY SET-34

Direction (Qs.1 to 5): The questions are based on seven 3-digit numbers given below:

 

817   639   451   273   905   727   548

 

Question No : 1

If all the digits of the numbers are arranged in decreasing order of all the numbers, then the sum of the first and third digits of the third highest number After the rearrangement will be?

(1) 10

(2) 9

(3) 5

(4) 8

(5) 7

Question No : 2

For all the numbers if the 1st and 3rd digit is added and then the resultant sum is added to the original number and now the digits of all numbers are arranged in increasing order. The 2nd highest number is?

(1) 456

(2) 199

(3) 147

(4) 278

(5) 919

Question No : 3

If all the digits are arranged in increasing order for all the numbers, then what is the difference between the sum of all the digits of second lowest number and the 2nd digit of second highest number?

(1) 7

(2) 8

(3) 4

(4) 3

(5) 12

Question No : 4

If all the digits are arranged in decreasing order, then the sum of 1st and 3rd digits of which number is the lowest?

(1) 817

(2) 639

(3) 451

(4) 905

(5) 548

Question No : 5

For all the numbers, if the second digit is increased by 3, then how many numbers will be there which is a multiple of 3 (if there is carry add it to the first digit)?

(1) 2

(2) 4

(3) 1

(4) 3

(5) None