ECAT Pre Engineering Entry Test With Answers

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ECAT Pre Engineering Entry Test

Sr. # Questions Answers Choice
1 <br>
2 i2 = 1 2 -1 0
3 (a,0) x (c, 0) = (0,ac) (ac, 0) (0,0) (a, c)
4 (a, b) + (-a, -b) = (0,0) (a, b) (-a, -b) (1, 1)
5
6 (a+bi) - (c+di)= (a+b) = (c+d) (a+c) + i(b+d) (a - c) + (c- d)i (a - c)+ (b - d)i
7 i3= -1 i -i 1
8 In (x + iy), y is called as Imaginary part Complex number Real part None of above
9 i =
10 Additive property of inequality Commutative property Additive inverse Additive identity
11 Commutative property of addition Closure property of addition Additive inverse Associative property w.r.t. to addition
12 Rule of quotient of fraction Golden rule of fraction Rule for product of fraction Principle for equality of fraction
13 Principle of equality of Fractions Rule for product of fraction Golden rule of fraction Rule of quotient of Fraction
14 (a-1)-1= a<sup>-1</sup> a -a None of above
15 Trichotomy property Additive property of inequality Transitive property Multiplicative property
16 Multiplication property Additive property Trichotomy property Transitive property of inequality
17 If 4 > b or a < b than a = b is a Additive property Transitive property Trichotomy property of inequality None of above
18 Symmetric property Cancellation property w.r.t. multiplication Reflexive property Transitive property
19 Reflexive property Symmetric property Cancellations property w.r.t. addition Transitive property
20 Commutative law of multiplication Closure law of multiplication Associative law of multiplication Multiplication identity
21 a.a-1= a-1.a = 1 is a Commutative law of multiplication Multiplication identity Associative law of multiplication Multiplication inverse
22 Associative law of multiplication ab = ba a(bc) = (ab) c a(b+c) = ab + ac (a + b)c = ac + bc
23 Commutative law of addition Associative law of addition Additive identity Additive inverse
24 Closure law of addition Associative law of addition Additive inverse Additive identity
25 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>
26 1/3 is a decimal Recurring Terminating Non-terminating None of the above
27 202.04 is an example of Recurring decimals Non-recurring decimals Terminating decimals None of above
28 Rational Irrational Even Odd
29 Rational Irrational Natural Odd
30 The symbol of irrational is W N Q Q'
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