Find the all possible answers for 3 Consecutive Numbers Puzzle.

Find all possible values of x for which the number 7x3 is divisible by 3. Also , find each such number.

Find all possible values of y for which the number 53y1 is divisible by 3. Also , find each such number.

Find all possible values of x for which the 4-digit number 320x is divisible by 3. Also, find the numbers.

The sum of four consecutive even numbers is 23 more than the sum of three consecutive odd numbers. The difference between the lowest even and the highest odd number is 3. Find the sum of the four consecutive even number.

Find all possible values of x for which the 4-digit number 64y3 is divisible by 9. Also, find the numbers.

Find all possible values of y for which 4-digit number 51y3 is divisible by 9. Also, find each such number.

Find the number of all possible matrices of order 3xx3 with each entry 0 or 1. How many of these are symmetric ?

Find the number of all possible matrices of order 3xx3 with each entry 0 and 1.

Find all possible values of x for which 4-digit number 754 x is divisible by 3. Also, find each such number.

Find all pairs of consecutive even numbers which are greater than 8 and their sum is smaller then 27.