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# Punjab 12th Class Math Chapter 7 Vectors Mcqs Test Online

 Total Question 20 Questions Total Marks 40 Marks Total Time 20 Minuts
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### Test Name

 Ch. 7 # Vectors

### Subject

 Mathematics (12th Class)

 MCQs

# Punjab 12th Class Math Chapter 7 Vectors Mcqs Test Online

Question 1 of 20

## Math

1. The three coordinate’s planes divide all space into

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Question 1 of 20

Question 2 of 20

2. The point (3, 5, 8) lies in the

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Question 3 of 20

3. The contact in which the point coordinates are all positive is called

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Question 3 of 20

Question 5 of 20

5. For three vectors a, b, & c : (a + b) + c =

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Question 5 of 20

Question 6 of 20

6. Two or more vectors are said to be collinear if they are

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Question 6 of 20

Question 7 of 20

7. If Cosα, Cosβ, Cosχ are the directions Cosines of a vector then
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Question 8 of 20

8. The distance from the origin to the plane
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Question 8 of 20

Question 9 of 20

9. The numbers proportional to the direction cosines of a vector are called

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Question 9 of 20

Question 10 of 20

10. The coordinates of the center of the sphere x² + y² + z² = 9 is

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Question 10 of 20

Question 11 of 20

11. Magnitude of the vector xî + yĴ is:
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Question 11 of 20

Question 12 of 20

12. The triangle law for vector addition is equivalent to the
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Question 12 of 20

Question 13 of 20

13. Which of triples can be direction angles of a single vector =
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Question 13 of 20

Question 14 of 20

14. The equation 2x + 3y + 6z = 35 represents
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Question 15 of 20

15. If the vector 2i + 4j – yk and 2i + 6j xk are perpendicular then x =
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Question 16 of 20

16. If the right bisectors of the two sides of a triangle pass through the origin then the right bisector of the third side will pass through the point

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Question 17 of 20

17. The join of the mid points of the consecutive sides of any quadrilateral is
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Question 18 of 20

18. If  ll₂ + mm₂ + nn₂ = 0then the angle between the two vectors is
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Question 18 of 20

Question 19 of 20

19. If i & j are two unit vectors then i x j =
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Question 19 of 20

Question 20 of 20

20. The equation (x – 1)² + (y – 3)² + (z – 5)² = 25 represents

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Question 20 of 20

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