Mathematics (NSTSE (National Level Science Talent Search Examination) Class 10): Questions 20 - 27 of 973
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Question number: 20
» Mathematics » Trigonometry
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The value of
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Question number: 21
» Mathematics » Real Numbers
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The sum of additive inverse and multiplicative inverse of 3 is
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| Choice (4) | Response | |
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| a. | - 3 |
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| b. | 2 |
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| c. | 0 |
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| d. | - 1 |
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Question number: 22
» Mathematics » Real Numbers
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If be the rational numbers such the andthen________
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Question number: 23
» Mathematics » Real Numbers
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The sum of 2 rational and irrational number is always
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| Choice (4) | Response | |
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| a. | Irrational |
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| b. | Rational |
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| c. | All of the above |
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| d. | Question does not provide sufficient data or is vague |
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Question number: 24
» Mathematics » Real Numbers
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Set of natural numbers is a subset of
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| Choice (4) | Response | |
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| a. | Set of composite numbers |
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| b. | Set of real numbers |
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| c. | Set of even numbers |
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| d. | Set of odd numbers |
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Question number: 25
» Mathematics » Real Numbers
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Which of the following is not a rational number?
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Question number: 26
» Mathematics » Real Numbers
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The value of is
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| Choice (4) | Response | |
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| a. | 2.23 |
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| b. | 1.72 |
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| c. | 2.59 |
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| d. | 1.41 |
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Question number: 27
» Mathematics » Real Numbers
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If X: Every fraction is a rational number and,
Y: Every rational number is a fraction,
Then which is the correct option?
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| Choice (4) | Response | |
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| a. | X is false and Y is true |
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| b. | X is true and Y is false |
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| c. | X and Y false |
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| d. | X and Y true |
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