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MCQ's Test For ECAT (Pre-Eng) Mathematics MCQ's Test For Chapter 23
Try The MCQ's Test For ECAT (Pre-Eng) Mathematics MCQ's Test For Chapter 23
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Total Questions10
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Time Allowed10
ECAT (Pre-Eng) Mathematics MCQ's Test For Chapter 23
00:00
Question # 1
a ______quantity is one that possesses both magnitude and direction.
Question # 2
If u =[3,-4],then modulus of uis:
Question # 3
If u = 2ai + i - k and v = i +ai + 4k are perpendicular then a =
Question # 4
If a,b = 0 then
Question # 5
If a=5j + 2j,b=2i -3j, then|a+2b|=
Question # 6
If the angle between two vectors u and v is 0 orπ, then the vectors u and v are:
Question # 7
If aand bare two vectors then a+b =
Question # 8
If a = [1,4,3] and B= [2,-1,5] athen the mid point M of AB is:
Question # 9
If m and n be two scalars, then (m+n) g =
Question # 10
O (0,0)is called:
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ECAT Mathematics Chapter 23 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | If|a| =|b| = |a+b|=1, then|a-b| is equal to: |
A. 1
B. √3
C. √2
D. 7
|
| 2 | If u = 2ai + i - k and v = i +ai + 4k are perpendicular then a = |
A. 4
B. 1/2
C. 3
D. 4/3
|
| 3 | O (0,0)is called: |
A. Position vector
B. Free vector
C. Unite vector
D. Null vector
|
| 4 | The vector i = [1,0] is called unit vector along: |
A. x-axis
B. y - axis
C. z- axis
D. Botha a and y-axis
|
| 5 | The vector k = [0,0,1] is called unit vector along: |
A. x -axis
B. y - axis
C. z- axis
D. None of these
|
| 6 | The modulus of a vector i-i+ k is: |
A. √3
B. 1
C. √2
D. ∞
|
| 7 | If the angle between two vectors u and v is 0 orπ, then the vectors u and v are: |
A. Orthogonal
B. Collinear
C. Perpendicular
D. None of these
|
| 8 | Vector i = |
A. [1,0]
B. [0,1,0]
C. [0,0,1]
D. None of these
|
| 9 | If a = [1,4,3] and B= [2,-1,5] athen the mid point M of AB is: |
A. [1,1,1.5]
B. [2,2,1.5]
C. [1.5,1.5,4]
D. None of these
|
| 10 | Vector additon is: |
A. Commutative
B. Associative
C. Commutative and Associative
D. None of these
|
Test Questions
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