[Question]: Jack has four plates with a flower pattern and 8 plates with a checked pattern. He buys new twice as many polka dotted plates as the number of checked plates he currently has, then smashes one of the flowered plates. How many plates does he have left?
[Answer]: Jack buys 2 * 8 = 16 polka dotted plates. After smashing one, he has 4 - 1 = 3 flower plates left. In total, he has 3 flower plates + 16 polka dotted plates + 8 checked plates = 27 plates.
So the answer is 27.

[Question]: Sean played cricket for 50 minutes each day for 14 days. Indira also played cricket. Together they played cricket for 1512 minutes. How many minutes did Indira play cricket?
[Answer]: Sean played 50 * 14 = 700 minutes. Indira played 1512 - 700 = 812 minutes. Indira played cricket for 812 minutes.
So the answer is 812.

[Question]: Rocky boxed 190 fights in his career. 50 percent of his fights were knockouts, and 20 percent of the knockouts were in the first round. How many knockouts did Rocky have in the first round?
[Answer]:
Knockouts:190(.50) = 95. First Round:95(.2) = 19.
So the answer is 19.