Question

4.
Find the mean proportion of the following:
(i) 81 and 100
(ii) 4 and 25
(iii) 16 and 64
(iv) 225 and 400​

Answer 1

i) sq.root(81*100)= 90
ii) sq.root(4*25)= 10
iii) sq.root(16*64)= 32
iv) sq.root(225*400)= 300