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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 G is the centroid of the triangle, then GA +GB+GC=
Question # 2
The modulus of 12-5i is:
Question # 3
If u =[3,-4],then modulus of uis:
Question # 4
If u =2i +pi + 5k and v = 3i + i +pk are perpendicular , then p=
Question # 5
If a = 2i +2j, b= 3i -j and c=4i +5j, the 3b -a-2c =
Question # 6
The angle between the vectors u = [-3 , 5] and v = [6 , -2] is:
Question # 7
If a = [1,4,3] and B= [2,-1,5] athen the mid point M of AB is:
Question # 8
Vector i =
Question # 9
The magnitude of vector a=i-3j+5k is:
Question # 10
O (0,0)is called:
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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ECAT Mathematics Chapter 23 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | Vector additon is: |
A. Commutative
B. Associative
C. Commutative and Associative
D. None of these
|
| 2 | 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
|
| 3 | The positive real number which is the measure of the length of a vector is called the |
A. Unit vector
B. Modulus
C. Inverse
D. None of these
|
| 4 | If c = 2i+j+k and d= -1 + 4j +2k, then [c-d]= |
A. √7
B. √41
C. √19
D. √(2&7)
|
| 5 | 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
|
| 6 | Vector i = |
A. [1,0]
B. [0,1,0]
C. [0,0,1]
D. None of these
|
| 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 | If m and n be two scalars, then (m+n) g = |
A. 0
B. m+n
C. m▁a+n▁a
D. ma - m▁a
|
| 9 | The magnitude of vector a 2i-7j is |
A. √23
B. √43
C. 3
D. √53
|
| 10 | The modulus of a vector i-i+ k is: |
A. √3
B. 1
C. √2
D. ∞
|
Test Questions