ECAT Pre Computer Science chapter wise online mcq test with answers for Mathematics

ECAT Mathematics MCQ's Test For Full Book

Sr. #	Questions	Answers Choice
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6	The set of first elements of the ordered pairs in a relation is called its	domain range relation function
7	If A is a set then any subset R of A x A is called	relation on A relation on B relation from A to B relation from B to A
8	If A and B are two sets then any subset R of B x A is called	relation on A relation on B relation from A to B relation from B to A
9	If A and B are two sets then any subset R of A x B is called	relation on A relation on B relation from A to B relation from B to A
10	The number of subsets of a set having three elements is	4 6 8 none of these
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15	The multiplicative inverse of (a,b) is
16		(x, y) (kx, y) (x, ky) (kx, ky)
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18		x y
19	Every real number is	a positive integer a rational number a negative integer a complex number
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21	The product of complex numbers (a,b) and (c,d) is	(ac, bd) (ac-bd, ad+bc) (ab,cd) (ac+bd,ad-bc)
22	The sum of complex number (a,b) and (c,d) is
23		1 -1
24		1 -1
25		real part of z imaginary part of z conjugate of z modulus of z
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27		0 1 -1 2
28		real number complex number rational number irrational number
29		additive property multiplicative property additive inverse additive identity
30		additive property multiplicative property additive identity multiplicative identity