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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
The vector k = [0,0,1] is called unit vector along:
Question # 2
I f a =5i + 2j, then|a| =
Question # 3
Vector additon is:
Question # 4
O (0,0)is called:
Question # 5
If a≠ , b≠ 0 and|a=b|=|a-b|,then vectors a and b are:
Question # 6
If the angle between two vectors u and v is 0 orπ, then the vectors u and v are:
Question # 7
Vector i =
Question # 8
If|a| =|b| = |a+b|=1, then|a-b| is equal to:
Question # 9
If a=5j + 2j,b=2i -3j, then|a+2b|=
Question # 10
The magnitude of vector a=i-3j+5k is:
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ECAT Mathematics Chapter 23 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | Vector i = |
A. [1,0]
B. [0,1,0]
C. [0,0,1]
D. None of these
|
| 2 | If|a| =|b|=|a + b|=1, then|a+ b| = 5, then|a-b| = |
A. 4
B. 6
C. 5
D. 3
|
| 3 | The modulus of a vector i-i+ k is: |
A. √3
B. 1
C. √2
D. ∞
|
| 4 | If a,b = 0 then |
A. a |b
B. a||b
C. a = b
D. None
|
| 5 | The magnitude of vector a=i-3j+5k is: |
A. 3
B. √35
C. √17
D. √35
|
| 6 | The modulus of 12-5i is: |
A. 7
B. 13
C. √7
D. 119
|
| 7 | If u =[3,-4],then modulus of uis: |
A. 5
B. 5i
C. -5
D. √5
|
| 8 | If aand bare two vectors then a+b = |
A. b + a
B. b - a
C. ab
D. a^ b
|
| 9 | I f a =5i + 2j, then|a| = |
A. √13
B. √7
C. 1/√13
D. √29
|
| 10 | Vector additon is: |
A. Commutative
B. Associative
C. Commutative and Associative
D. None of these
|
Test Questions
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