Question
The mean proportional between 0.16 and 0.64 is:
This question was previously asked in
RRB ALP 2018 CBT 2 Fitter Question Paper (21-Jan-2019) (Shift 3)
The correct answer is
0.32
Let us assume that the ratio is x,
⇒ 0.16/x = x/0.64
⇒ x2 = 0.16 × 0.64
∴ x = 0.32
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