Question

(iii) If 4, x, 9 are in continued proportions, find the value of x?
(iv) a:b= 1:2 and b:c=3:4 then find a:c?
(v) Find the ratio of 3.2 metres to 56 metres.
(vi) Simplify: 15-(8+3)​

Answer 1

(iv) a:b=1:2 and b:c=3:4 then answer of a:c is 1:4