Each question has a missing value related to direction ratios or direction cosines that the student needs to fill in. Submit your answer to your faculty in Telegram.

1. The direction ratios of a line passing through points P(2, 4, 6) and Q(1, 3, 5) are ________, ________, ________.
2. For a line with direction cosines (0.6, 0.8, 0), the direction ratios are ________, ________, ________.
3. The direction ratios of a line perpendicular to the line with direction cosines (1, 2, -2) are ________, ________, ________.
4. Find the direction cosines of a line with direction ratios (3, 6, 9). ________, ________, ________.
5. A line with direction cosines (0, -1, 0) lies along the ________-axis.
6. If the direction cosines of a line are (0.707, -0.707, 0), the direction ratios are ________, ________, ________.
7. The direction cosines of a line parallel to the ________ plane are (0, 0, 1).
8. The direction ratios of a line passing through points A(3, 2, 1) and B(-1, 0, -2) are ________, ________, ________.
9. For a line with direction ratios (5, 2, -3), the direction cosines are ________, ________, ________.
10. The direction ratios of a line parallel to the ________ plane are (2, 0, -1).
11. Find the direction cosines of a line with direction ratios (2, 4, 2). ________, ________, ________.
12. The direction cosines of a line perpendicular to the ________-axis are (0, 1, 0).
13. The direction ratios of a line passing through points M(2, -1, 5) and N(3, 1, 4) are ________, ________, ________.
14. If the direction ratios of a line are (-2, 1, -5), the direction cosines are ________, ________, ________.
15. A line with direction cosines (1, 0, 0) lies along the ________-axis.
16. The direction cosines of a line parallel to the ________ plane are (1, 0, 0).
17. The direction ratios of a line passing through points X(4, 1, 0) and Y(2, 3, -1) are ________, ________, ________.
18. For a line with direction ratios (0, -3, -4), the direction cosines are ________, ________, ________.
19. The direction cosines of a line perpendicular to the ________ plane are (0, 0, -1).
20. Find the direction ratios of a line with direction cosines (0, 0.6, -0.8). ________, ________, ________.

Write your answers in ATOT notebook and submit to your faculty.

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