ECAT Pre Engineering Mathematic MCQ Test With Answer for Chapter 23 (Conic Section)

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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ECAT (Pre-Eng) Mathematics MCQ's Test For Chapter 23

00:00
Question # 1

O (0,0)is called:

Question # 2

If the angle between two vectors u and v is 0 orπ, then the vectors u and v are:

Question # 3

If the angle between two vectors u and v is 0 orπ, then the vectors u and v are:

Question # 4

Vector additon is:

Question # 5

I f a =5i + 2j, then|a| =

Question # 6

The modulus of a vector i-i+ k is:

Question # 7

If a=5j + 2j,b=2i -3j, then|a+2b|=

Question # 8

If a≠ , b≠ 0 and|a=b|=|a-b|,then vectors a and b are:

Question # 9

If u =[3,-4],then modulus of uis:

Question # 10

If G is the centroid of the triangle, then GA +GB+GC=

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ECAT Mathematics Chapter 23 Important MCQ's

Sr.# Question Answer
1 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
2 The magnitude of vector a=i-3j+5k is:
A. 3
B. √35
C. √17
D. √35
3 If|a| =|b|=|a + b|=1, then|a+ b| = 5, then|a-b| =
A. 4
B. 6
C. 5
D. 3
4 O (0,0)is called:
A. Position vector
B. Free vector
C. Unite vector
D. Null vector
5 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
6 If|a| =|b| = |a+b|=1, then|a-b| is equal to:
A. 1
B. √3
C. √2
D. 7
7 The vector k = [0,0,1] is called unit vector along:
A. x -axis
B. y - axis
C. z- axis
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 Vector additon is:
A. Commutative
B. Associative
C. Commutative and Associative
D. None of these
10 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

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