: In a box of 150 good pens, there are 4 that do not write. The probability that a randomly picked pen writes (rounded to hundredths) is 0.97 .
Based on typical variants from December 2017 (such as those from 100Ballnik ): : From point cm is drawn to line . If the distance from is 3 cm, the cosine of the acute angle is 0.8 . : In a box of 150 good pens, there are 4 that do not write
: 3 complex tasks requiring full solutions (2 points each). Total Score : 22 points. Duration : 120 minutes. Where to Find Full Variants : In a box of 150 good pens, there are 4 that do not write