PREPARATORY QUESTIONS

NUMBER SEQUENCES

PREPARATORY SET-75

Direction (Qs.1 to 5): These questions are based on the five three digit numbers given below.

 

729   354   832   697   463

Question No : 1

Which of the following is the sum of the first digit and the third digit of the second lowest number and the highest number respectively?

(1) 8

(2) 6

(3) 7

(4) 10

(5) None of these

Question No : 2

If in each number all the digits are arranged in ascending order from left to right within the number. Then, how many numbers thus formed will be even number?

(1) One

(2) Two

(3) Three

(4) Four

(5) None of these

Question No : 3

If all the numbers are arranged in ascending order from left to right. Then, which of the following will be the sum of all three digits of the number which is fourth from the left?

(1) 20

(2) 15

(3) 18

(4) 16

(5) None of these

Question No : 4

If the position of the first and the third digits within each number are interchanged. Then, which of the following will be the sum of the first and the second digit of the third highest number?

(1) 6

(2) 8

(3) 5

(4) 9

(5) 10

Question No : 5

If 1 is subtracted from the first digit of every even number and 2 is added to the third digit of every odd number. Then, in how many numbers will a digit appear twice?

(1) One

(2) Two

(3) Three

(4) None

(5) More than three