Mathematics ECAT Pre Engineering Online Test With Answers

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Mathematics ECAT Pre Engineering Online Test

Sr. # Questions Answers Choice
1 Additive property in R Multiplication property in R Cancellation property in R Distribution property in R
2 The set { 1 , -1} is closed w.r.t. Addition Multiplications Subtraction None of these
3 Principle of equality of fractions Rule for product of fractions Golden rule for fractions Rule for quotient of fractions
4 Principle of equality of fractions Rule for product of fractions Golden rule for fractions Rule for quotient of fractions
5 Principle of equality of fractions Rule for product of fractions Golden rule of fractions Rule for quotient of fractions
6 Principle of equality of fractions Rule for product of fraction Rule for quotient of fraction Golden rule of fractions
7 Principle of equality of fractions Rule for product of fraction Rule for quotient of fraction
8 (a + b)c = ac + bc a + b = b + a (a + b) + c = a + (b + c) a(b +c) = ab + ac
9 (a + b)c = a . c + bc a + b = b + a (a + b) + c = a + (b + c) a(b+ c) = ab + ac
10 In R the right cancellation property w.r.t. addition is
11 In R the left cancellation property w.r.t addition is
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15 a = a a &lt; a a &gt; a a<sup>2</sup>= a
16 The additive inverse of 0 is 1 -1 0 Does not exist
17 The additive inverse of 1 is 1 -1 0 Does not exist
18 The multiplicative inverse of 0 is 1 -1 0 Does not exist
19 The multiplicative inverse of 1 is 1 -1 0 Does not exist
20 The multiplicative inverse of 4 is -4 -1/4 1/4 1
21 The multiplicative inverse of 2/3 is 3/2 -2/3 -3/2 1
22 The additive inverse of 2/3 is 3/2 -2/3 -3/2 0
23 In R the number of identity elements w.r.t.'.' is One Two Three Four
24 In R the number of identity element w.r.t '+' is One Two Three Four
25 In R, the multiplicative inverse of a is 0 1 -a 1/a
26 In R, the additive inverse of a is 0 1 -a 1/a
27 In R, the multiplicative identity is 0 1 -1 None
28 In R, the additive identity is 0 1 -1 None
29 Reflexive property Symmetric property Transitive property Additive property
30 Reflexive property Symmetric property Transitive property Additive property
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