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Mathematics
1. Number Systems
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Q21 of 96 Page 2

Which of the following is equal to x?

Given : x




= x


Hence option (A) is correct answer.

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19

Value of is

20

Value of (256)0.16×(256)0.09 is

1

Let x and y be rational and irrational numbers, respectively. Is x + y necessarily an irrational number? Give an example in support of your answer.

2

Let x be rational and y be irrational. Is xy necessarily irrational? Justify your answer by an example.

Questions · 96
1. Number Systems
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