ECAT Pre Engineering MCQ Test With Answer for Chapter 23 Mathematics

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

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

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ECAT Mathematics Chapter 23 Conic Section MCQ's Test

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Question # 1

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

Question # 2

If u = xi + yj, then|u|

Question # 3

If aand bare two vectors then a+b =

Question # 4

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

Question # 5

The modulus of 12-5i is:

Question # 6

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

Question # 7

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

Question # 8

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

Question # 9

If m and n be two scalars, then (m+n) g =

Question # 10

The magnitude of vector a 2i-7j is

Question # 11

O (0,0)is called:

Question # 12

a ______quantity is one that possesses both magnitude and direction.

Question # 13

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

Question # 14

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

Question # 15

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

Question # 16

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

Question # 17

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

Question # 18

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

Question # 19

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

Question # 20

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

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