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In the first of the semi-finals, two student teams go head-to-head, hoping to take one step closer to lifting the series trophy. Amol Rajan asks the questions.
It's the last of the quarter-finals. Who will take the final place in the semis? Amol Rajan asks the questions.
It's the second semi-final. Who will join last week's winners in the Grand Final? Amol Rajan asks the questions.