ECAT Pre General Science MCQ Test With Answer for Mathematics Chapter 23

MCQ's Test For ECAT Mathematics Chapter 23 Conic Section

Try The MCQ's Test For ECAT Mathematics Chapter 23 Conic Section

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ECAT Mathematics Chapter 23 Conic Section

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Question # 1

Vector i =

Question # 2

If c = 2i+j+k and d= -1 + 4j +2k, then [c-d]=

Question # 3

If|a| =|b|=|a + b|=1, then|a+ b| = 5, then|a-b| =

Question # 4

If|a| =|b| = |a+b|=1, then|a-b| is equal to:

Question # 5

If a,b = 0 then

Question # 6

If u = xi + yj, then|u|

Question # 7

The vector k = [0,0,1] is called unit vector along:

Question # 8

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

Question # 9

If u =2i +pi + 5k and v = 3i + i +pk are perpendicular , then p=

Question # 10

The vector i = [1,0] is called unit vector along:

Question # 11

The positive real number which is the measure of the length of a vector is called the

Question # 12

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

Question # 13

Vector additon is:

Question # 14

The magnitude of vector a 2i-7j is

Question # 15

If a = [1,4,3] and B= [2,-1,5] athen the mid point M of AB is:

Question # 16

If the sum of two unit vectors is a unit vector the the magnitude of their difference is

Question # 17

If u = 2ai + i - k and v = i +ai + 4k are perpendicular then a =

Question # 18

The magnitude of vector a=i-3j+5k is:

Question # 19

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

Question # 20

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

Question # 21

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

Question # 22

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

Question # 23

If aand bare two vectors then a+b =

Question # 24

a ______quantity is one that possesses both magnitude and direction.

Question # 25

The angle between the vectors u =2i - i + k and v = -i + i is:

Question # 26

If a = 2i +2j, b= 3i -j and c=4i +5j, the 3b -a-2c =

Question # 27

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

Question # 28

The angle between the vectors u = [-3 , 5] and v = [6 , -2] is:

Question # 29

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

Question # 30

The modulus of 12-5i is:

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