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Practice Elementary Statistics - Probability - General Aptitude (GA) previous year questions organised from real papers, with year-wise coverage and clear topic navigation.
Every graph below is calculated only from this selection.
Compare question counts across years.
How the classified questions are distributed by difficulty.
MCQ, numerical, multiple-select and other formats found in these papers.
Top subjects by unique question coverage.
Top topics across the included previous year papers.
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Question coverage for the most populated papers. Every active PYP paper remains listed below.
Newest papers appear first. Search these papers or sort by year and name.
| Paper name | Year | Attempt | |
|---|---|---|---|
Biotechnology (BT) 20212021 | 2021 |
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Biotechnology (BT) 20152015 | 2015 | |
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Biotechnology (BT) 20142014 | 2014 | |
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Practice every matching question in batches of 20, with every available option.
A heterozygous tall plant (Tt) was crossed with a homozygous dwarf plant (tt). The resultant seeds were collected. If five seeds are chosen at random, then the probability (in %) that exactly two of these seeds will yield dwarf plants is __________.