KVPY SA Exam 2016 Question Paper

A breeder crossed a pure bred tall plant having white flowers to a pure bred short plant having blue flowers. He obtained 202 ${\mathrm{F}}_1$ progeny and found that they are all tall having white flowers. Upon selfing these ${\mathrm{F}}_1$ plants, he obtained a progeny of 2160 plants. Approximately, how many of these are likely to be short and having blue flowers?