PREPARATORY QUESTIONS

NUMBER SEQUENCES

PREPARATORY SET-17

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.

 

655   499   388   766   933

 

Question No : 1

If all the digits in each number are arranged in ascending order within the number then how many numbers will remain the same?

(1) Two

(2) One

(3) More than three

(4) Three

(5) None of these

Question No : 2

If the positions of the first and the second digit of each number are interchanged then what will be the sum of all the digits of the lowest number thus formed?

(1) 13

(2) 15

(3) 17

(4) 21

(5) None

Question No : 3

What will be the result if the first digit of the lowest number is multiplied by the third digit of the second lowest number?

(1) 24

(2) 37

(3) 27

(4) 15

(5) None of these

Question No : 4

If all the numbers are arranged in descending order from left to right then which of following will be third from the right end?

(1) 933

(2) 499

(3) 766

(4) 655

(5) None of these

Question No : 5

If one is subtracted from the first digit and two is subtracted from the third digit of each of the numbers then which of the following will be the third digit of the largest number thus formed?

(1) 4

(2) 1

(3) 2

(4) 0

(5) None