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Maths-

General

Easy

Question

Which of the following is an equivalence relation?

Is father of
Is less than
Is congruent to
Is an uncle of

The correct answer is: Is father of

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Let $n open parentheses U close parentheses equals 700 comma blank n open parentheses A close parentheses equals 200 comma blank n open parentheses B close parentheses equals 300$ and $n open parentheses A intersection B close parentheses equals 100.$ Then, $n open parentheses A to the power of c end exponent intersection B to the power of c end exponent close parentheses equals$

The shaded region in the figure represents

The shaded region in the figure represents
Maths-General

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$q blank colon$ Every anti-symmetric relation is reflexive
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