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The third propotional to 0.8 and 0.2 is ?

A0.4

B0.8

C0.05

D0.032

Answer:

C. 0.05

Read Explanation:

Let 0.8 : 0.2 : : 0.2 : N Then 0.8 x N = 0.2 x 0.2 ∴ N = ( 0.2 x 0.2) / 0.8 = 0.04 / 0.08 = 4/80 = 0.05


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