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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 c = 2i+j+k and d= -1 + 4j +2k, then [c-d]=
Question # 2
If m and n be two scalars, then (m+n) g =
Question # 3
a ______quantity is one that possesses both magnitude and direction.
Question # 4
If a = 2i +2j, b= 3i -j and c=4i +5j, the 3b -a-2c =
Question # 5
If the angle between two vectors u and v is 0 orπ, then the vectors u and v are:
Question # 6
The magnitude of vector a=i-3j+5k is:
Question # 7
If u = 2ai + i - k and v = i +ai + 4k are perpendicular then a =
Question # 8
The angle between the vectors u = [-3 , 5] and v = [6 , -2] is:
Question # 9
The modulus of a vector i-i+ k is:
Question # 10
Vector additon is:
Top Scorers Of ECAT (Pre-Eng) Mathematics MCQ's Test For Chapter 23 MCQ`s Test
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H Huzaifa Asim 01 - Jun - 2024 00 Min 34 Sec 10/10 -
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V Viral Edits 25 - May - 2024 01 Min 26 Sec 10/10 -
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| Sr.# | Question | Answer |
|---|---|---|
| 1 | If the sum of two unit vectors is a unit vector the the magnitude of their difference is |
A. √2
B. √3
C. 1
D. None of these
|
| 2 | 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
|
| 3 | If aand bare two vectors then a+b = |
A. b + a
B. b - a
C. ab
D. a^ b
|
| 4 | If G is the centroid of the triangle, then GA +GB+GC= |
A. 0
B. 1
C. -1
D. 3
|
| 5 | 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
|
| 6 | If u = xi + yj, then|u| |
A. x2 + y2
B. (x2 +y2)2
C. x2-y2
D. √(x2+y2)
|
| 7 | 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
|
| 8 | If u = 2ai + i - k and v = i +ai + 4k are perpendicular then a = |
A. 4
B. 1/2
C. 3
D. 4/3
|
| 9 | The modulus of 12-5i is: |
A. 7
B. 13
C. √7
D. 119
|
| 10 | 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
|
Test Questions
