Divide 28 into four parts in an A.P. so that the ratio of the product of first and third with the product of second and fourth is 8:15.

Divide 56 in four parts in A.P. such that the ratio of the product of their extremes (1st and 4th) to the product of means (2nd and 3rd) is 5:6.

Divide 20 into four parts which are in A.P. and such that the product of the first and fourth is to the product of the second and third in the ratio 2:3 . Find the products of the first and fourth term of the A.P. :

Divide 32 into four parts which are in A.P.such that the ratio of the product of extremes to the product of means is 7:15.

Divide 56 into four parts which are in A.P. such that the ratio of product of extremes to the product of means is 5:6 .

What is the common difference of four terms in an A.P. such that the ratio of the product of the first and fourth terms to that of the second and third is 2:3 and the sum of all four terms is 20 ?

4.(a) Divide 20 into 4 parts which are in A.P. and such that.the product of the first and fourth is to the product o the secondi.and third in the ratio 2:3.

Divide 32 into four parts which are in A.P.such that the product of extremes is to the product of means is 7:15.

Divide 32 into four parts which are in A.P.such that the product of extremes is to the product of means is 7:15.