[" 18.If p,q be two A.M's and G be one G.M "],[" between two numbers a and b ,then "G^(2*)]

If p ,q be two A.M. ' s and G be one G.M. between two numbers, then G^2= a) (2p-q)(p-2q) (b) (2p-q)(2q-p) c) (2p-q)(p+2q) (d) none of these

If p ,q be two A.M. ' s and G be one G.M. between two numbers, then G^2= a)(2p-q)(p-2q) (b) (2p-q)(2q-p) c)(2p-q)(p+2q) (d) none of these

If A_(1),A_(2) are two A.M.'s and G_(1),G_(2) be two G.M.'s between two positive numbers a and b, then (A_(1)+A_(2))/(G_(1)G_(2)) is equal to (i) (a+b)/(ab) (ii) (a+b)/2 (iii) (a+)/(a-b) (iv) None of these

If A be one A.M and p, q be two G.M.'s between two numbers then 2A is equal to…..

If A_(1), A_(2) be two A.M's and G_(1), G_(2) be two G.M's between a and b , then (A_(1)+A_(2))/(G_(1) G_(2)) is equal to

If A_(1),A_(2) be two A.M.'s and G_(1),G_(2) be two G.M.,s between a and b, then (A_(1)+A_(2))/(G_(1)G_(2)) is equal to

The A.M and H.M between two numbers are 27 and 12 respectively then G.M is