PREPARATORY QUESTIONS

NUMBER SEQUENCES

PREPARATORY SET-72

Directions (Qs.1 to 5): These questions are based on the following set of three-digit numbers:

 

369   561   462   278   786

 

Question No : 1

If in each number the first and the third digit are interchanged, which number will be the second highest number?

(1) 786

(2) 369

(3) 561

(4) 278

(5) 462

Question No : 2

The sum of the first and the third digit in which of these numbers is an odd number?

(1) 278

(2) 369

(3) 561

(4) 786

(5) 462

Question No : 3

If 1 is added to the middle digit of each number and then the first and the second digit are interchanged, then which of the following will be the third digit of the second highest number?

(1) 8

(2) 2

(3) 1

(4) 6

(5) 9

Question No : 4

If in each number the second and third digit are interchanged, what will be the sum of the first and the third digit of the second lowest number?

(1) 8

(2) 9

(3) 10

(4) 7

(5) None of these

Question No : 5

If all the digits are arranged in ascending order within the numbers, which number will be the lowest number?

(1) 369

(2) 786

(3) 561

(4) 462

(5) 278