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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
If a,b = 0 then
Question # 2
Vector additon is:
Question # 3
If a = [1,4,3] and B= [2,-1,5] athen the mid point M of AB is:
Question # 4
The modulus of 12-5i is:
Question # 5
If a≠ , b≠ 0 and|a=b|=|a-b|,then vectors a and b are:
Question # 6
If u = 2ai + i - k and v = i +ai + 4k are perpendicular then a =
Question # 7
The positive real number which is the measure of the length of a vector is called the
Question # 8
Vector i =
Question # 9
The angle between the vectors u =2i - i + k and v = -i + i is:
Question # 10
The magnitude of vector a=i-3j+5k is:
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 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
|
| 2 | If u =[3,-4],then modulus of uis: |
A. 5
B. 5i
C. -5
D. √5
|
| 3 | If G is the centroid of the triangle, then GA +GB+GC= |
A. 0
B. 1
C. -1
D. 3
|
| 4 | The vector k = [0,0,1] is called unit vector along: |
A. x -axis
B. y - axis
C. z- axis
D. None of these
|
| 5 | If u = 2ai + i - k and v = i +ai + 4k are perpendicular then a = |
A. 4
B. 1/2
C. 3
D. 4/3
|
| 6 | The modulus of 12-5i is: |
A. 7
B. 13
C. √7
D. 119
|
| 7 | If|a| =|b| = |a+b|=1, then|a-b| is equal to: |
A. 1
B. √3
C. √2
D. 7
|
| 8 | If u = xi + yj, then|u| |
A. x2 + y2
B. (x2 +y2)2
C. x2-y2
D. √(x2+y2)
|
| 9 | The angle between the vectors u = [-3 , 5] and v = [6 , -2] is: |
A. π/2
B. -3π/2
C. π
D. None of these
|
| 10 | If a,b = 0 then |
A. a |b
B. a||b
C. a = b
D. None
|
Test Questions
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