If a,b,c are in A.P. and a2, b2c2 are in H.P., then((a) a = b = c(b) 2b = 3a + c(C) b2 = Vac/8(d) None of these

If a, b, c are in A.P. and a^2 , b^2 , c^2 are in H.P then

If a,b,c are in A.P and a^(2),b^(2),c^(2) are in H.P. then

If a,b,c are in A.P. and a^(2) , b^(2) , c^(2) are in H.P. , then :

a ,b ,c x in R^+ such that a ,b ,and c are in A.P. and b ,c and d are in H.P., then a b=c d b. a c=b d c. b c=a d d. none of these

a ,b ,c x in R^+ such that a ,b ,a n dc are in A.P. and b ,ca n dd are in H.P., then a b=c d b. a c=b d c. b c=a d d. none of these

a ,b ,c x in R^+ such that a ,b ,a n dc are in A.P. and b ,ca n dd are in H.P., then a b=c d b. a c=b d c. b c=a d d. none of these

If a,b,c are in A.P. and a^2,b^2,c^2 are in H.P. then which of the following could and true (A) -a/2, b, c are in G.P. (B) a=b=c (C) a^3,b^3,c^3 are in G.P. (D) none of these

If a,b,c are in A.P. and a^2,b^2,c^2 are in H.P. then which of the following could and true (A) -a/2, b, c are in G.P. (B) a=b=c (C) a^3,b^3,c^3 are in G.P. (D) none of these