Ratio of $30$ minutes to $1$ hour is

Ratio of $30$ minutes to $1$ hour is
  1. $1:2$
  2. $30:1$
  3. $2:1$
  4. $1:30$

Solution

$1$ hour $= 60$ min. $30:60 = 1:2$.

Asked in: MH-SSC-9

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