India vs South Africa ( $1^{st}$ legendary win by India!)

India after finishing their batting , had set up a target of $307$ runs in $50$ overs against South Africa in cricket World Cup $2015$ .In achieving this, $2$ players of India played fabulous.One was Shikhar Dhawan who scored $137$ runs , and the other was Ajinkya Rahane who scored $79$ runs.However , South Africa did not manage to score $307$ runs but lost all her wickets after scoring $177$ runs , at this time South Africa still had $10$ overs in hand.If the sum of scores of Shikhar and Ajinkya is only considered as the score of India(Scores of other players not taken into account) , assuming that South Africa still had some wickets and $10$ overs in hand ,

Find the required run-rate for South Africa to win this match(not to draw).

$Details$ $And$ $Assumptions:$ $RunRate = \frac{Number,of,runs,made}{Overs,consumed}$

Congratulations $INDIA$ for her mind blowing $1^{st}$ world cup win over South Africa.

Try India vs Pak