PREPARATORY QUESTIONS

NUMBER SEQUENCES

PREPARATORY SET-90

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

 

627    483    594    318    835

 

Question No : 1

If all the numbers are arranged in ascending order from left to right then what will be the digit sum of the second number from the right end?

(1) 16

(2) 15

(3) 18

(4) 17

(5) 12

Question No : 2

If all the digits are arranged in descending order from left to right within each number. Then, which of the following will be second largest number?

(1) 835

(2) 627

(3) 594

(4) 483

(5) 318

Question No : 3

What will be the product of the numbers which are third digit of the second lowest number and the first digit of the highest number?

(1) 18

(2) 72

(3) 40

(4) 64

(5) 24

Question No : 4

If the first and the second digits are interchanged in each number and then arrange the numbers in ascending order from left to right. Which of the following will be third from the left end?

(1) 318

(2) 483

(3) 835

(4) 627

(5) 594

Question No : 5

If ‘1’ is subtracted from all the odd digits and ‘1’ is added with all the even digits of the given numbers. Then what will be the difference between the second lowest and the second highest numbers thus formed?

(1) 144

(2) 439

(3) 364

(4) 251

(5) 198