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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 =2i +pi + 5k and v = 3i + i +pk are perpendicular , then p=
Question # 3
If u =[3,-4],then modulus of uis:
Question # 4
If a=5j + 2j,b=2i -3j, then|a+2b|=
Question # 5
The magnitude of vector a=i-3j+5k is:
Question # 6
If a = [1,4,3] and B= [2,-1,5] athen the mid point M of AB is:
Question # 7
If G is the centroid of the triangle, then GA +GB+GC=
Question # 8
The vector i = [1,0] is called unit vector along:
Question # 9
If aand bare two vectors then a+b =
Question # 10
If|a| =|b|=|a + b|=1, then|a+ b| = 5, then|a-b| =
Top Scorers Of ECAT (Pre-Eng) Mathematics MCQ's Test For Chapter 23 MCQ`s Test
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ECAT Mathematics Chapter 23 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | If c = 2i+j+k and d= -1 + 4j +2k, then [c-d]= |
A. √7
B. √41
C. √19
D. √(2&7)
|
| 2 | If a=5j + 2j,b=2i -3j, then|a+2b|= |
A. √21
B. √97
C. √39
D. None of these
|
| 3 | Vector i = |
A. [1,0]
B. [0,1,0]
C. [0,0,1]
D. None of these
|
| 4 | If u =2i +pi + 5k and v = 3i + i +pk are perpendicular , then p= |
A. 1
B. 2
C. -1
D. -3
|
| 5 | The modulus of a vector i-i+ k is: |
A. √3
B. 1
C. √2
D. ∞
|
| 6 | 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
|
| 7 | If a,b = 0 then |
A. a |b
B. a||b
C. a = b
D. None
|
| 8 | 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
|
| 9 | If a≠ , b≠ 0 and|a=b|=|a-b|,then vectors a and b are: |
A. Parallel to each other
B. Perpendicular to each other
C. Inclined at 60o
D. neither parallel nor perpendicular
|
| 10 | I f a =5i + 2j, then|a| = |
A. √13
B. √7
C. 1/√13
D. √29
|
Test Questions
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