[" A thrimetic Progressions "],[" 4.Find a bend c such that the following "],[" numbers are in AP: "a,7,b,23,c.]

Find a, b and c such that the following numbers are in AP, a, 7, b, 23 and c.

Find a, b and c such that the following numbers are in AP, a, 7, b, 23 and c.

Find a, b and c such that the numbers a,1 ,b, 15, c are in AP.

Find a,b and c if it is given that the numbers a,7,b,23,c are in A.P

If a,b,c are in A.P. prove that the following are also in A.P. b+c, c+a, a+b

(b+c-a)/(AP_(., then which of the following is in AP?))

Find out a and d for each of the following Aps: -12 , -7,-2,3,.....

If three real numbers a, b, c are in Harmonic Progression, then which of the following is true?

Let a,b,c , are non-zero real numbers such that (1)/(a),(1)/(b),(1)/(c ) are in arithmetic progression and a,b,-2c , are in geometric progression, then which of the following statements (s) is (are) must be true?

Let a,b,c , are non-zero real numbers such that (1)/(a),(1)/(b),(1)/(c ) are in arithmetic progression and a,b,-2c , are in geometric progression, then which of the following statements (s) is (are) must be true?