ECAT Mathematics Chapter 23 online mcq test with answers for chapter 23 (Conic Section)

ECAT Mathematics Chapter 23 Pre Engineering Online Test

Sr. #	Questions	Answers Choice
1	If a = [1,4,3] and B= [2,-1,5] athen the mid point M of AB is:	[1,1,1.5] [2,2,1.5] [1.5,1.5,4] None of these
2	If c = 2i+j+k and d= -1 + 4j +2k, then [c-d]=	√7 √41 √19 √(2&7)
3	If a=5j + 2j,b=2i -3j, then\|a+2b\|=	√21 √97 √39 None of these
4	I f a =5i + 2j, then\|a\| =	√13 √7 1/√13 √29
5	If m and n be two scalars, then (m+n) g =	0 m+n<img width="9" height="20" src="file:///C:/Users/Softsol/AppData/Local/Temp/msohtmlclip1/01/clip_image002.png" v:shapes="_x0000_i1025"><p class="MsoNormal"><!--[endif]--><o:p></o:p></p> m▁a+n▁a ma - m▁a<p class="MsoNormal"><!--[endif]--><o:p></o:p></p>
6	If G is the centroid of the triangle, then GA +GB+GC=	0 1 -1 3
7	The modulus of 12-5i is:	7 13 √7 119
8	The magnitude of vector a=i-3j+5k is:	3 √35 √17 √35
9	The magnitude of vector a 2i-7j is	√23 √43 3 √53
10	a ______quantity is one that possesses both magnitude and direction.	Scalar Vector Segment None of these