The sum of three numbers in G.P. is 56. If we subtract 1, 7, 21 from these numbers in that order, we obtain an arithmetic progression. Find the numbers.

The sum of three numbers in A.P. is -3 and their product is 8. Find the numbers.

If the sum of three numbers in A.P., is 24 and their product is 440, find the numbers.

The sum of four numbers in A.P. is 4 and their product is 385. Find the numbers.

The sum of three numbers in A.P. is 15. If 1, 4 and 19 are added to the numbers, the resulting numbers are in G.P. Find the numbers.

The sum of three times a number and 11 is 32. Find the number.

The sum of four numbers in an A.P. is 16 and sum of their squares is 84. Find the numbers.

The sum of 3 numbers of an arithmetic progression is 24 and their product is 44. Find the three numbers.

The sum of three numbers-is 6. If we multiply the third number by 2 and add the first number to the result, use get 7. By adding second and third number to three times the first number, we get 12. Using matrices, find the numbers.