ECAT Mathematics MCQ's Test For Full Book With Answers

ECAT Mathematics MCQ's Test For Full Book

Sr. # Questions Answers Choice
1 Multiplication property Additive property Trichotomy property Transitive property of inequality
2 If 4 > b or a < b than a = b is a Additive property Transitive property Trichotomy property of inequality None of above
3 Symmetric property Cancellation property w.r.t. multiplication Reflexive property Transitive property
4 Reflexive property Symmetric property Cancellations property w.r.t. addition Transitive property
5 Commutative law of multiplication Closure law of multiplication Associative law of multiplication Multiplication identity
6 a.a-1= a-1.a = 1 is a Commutative law of multiplication Multiplication identity Associative law of multiplication Multiplication inverse
7 Associative law of multiplication ab = ba a(bc) = (ab) c a(b+c) = ab + ac (a + b)c = ac + bc
8 Commutative law of addition Associative law of addition Additive identity Additive inverse
9 Closure law of addition Associative law of addition Additive inverse Additive identity
10 N r 2r <span style="color: rgb(34, 34, 34); font-family: &quot;Times New Roman&quot;; font-size: 24px; text-align: center; background-color: rgb(255, 255, 248);"><i>π</i></span>
11 1/3 is a decimal Recurring Terminating Non-terminating None of the above
12 202.04 is an example of Recurring decimals Non-recurring decimals Terminating decimals None of above
13 Rational Irrational Even Odd
14 Rational Irrational Natural Odd
15 The symbol of irrational is W N Q Q'
16 QUQ'
17 Set of whole number Rational Numbers Complex numbers Whole numbers
18 The set {1, 2, 3, 4, ....} is called Set of Natural numbers Set of whole numbers Set of rational number Set of irrational numbers
19 Geometrically, the modulus of a complex number represents its distance from the Point (1, 0) Point (0, 1) Point (1, 1) Point (0, 0)
20
21 The multiplicative inverse of 1 - 2i is
22 The square root of 2i - 20i is +-(5 - 2i) +-(5 + 2i) (5 - 2i) None of these
23 The value of x, and y, when (x + iy)2= 5 + 4i X = 2, y = 1 X = -2, y = 1 X = 2, y = -1 X = 2, y = 2
24 -3 -2i 3 +2i 1 + 2i 1 - 2i
25 What is the conjugate of -7 -2i? -7 + 2i 7 + 2i 7 -2i None of these
26
27 The equation |x + 4| = x has solution x = -2 x = 2 x = -4 x = 4
28 The solution set of the equation |3x + 2| = 5 is
29 15 15 i -15 i -15
30 If Z1= 1 + i, Z2= 2+3i, then |Z2- Z1| = ?
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