# NSTSE (National Science Talent Search Exam- Unified Council) Class 10: Questions 63 - 71 of 1484

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## Question 63

### Question

MCQ▾The number is

### Choices

Choice (4) | Response | |
---|---|---|

a. | Rational | |

b. | Irrational | |

c. | None of the above | |

d. | All of the above |

## Question 64

### Question

MCQ▾The summation of rational and irrational number is always________

### Choices

Choice (4) | Response | |
---|---|---|

a. | Rational | |

b. | Irrational | |

c. | None of the above | |

d. | Question does not provide sufficient data or is vague |

## Question 65

## Question 66

### Question

MCQ▾Representation of 3. in rational number form is

### Choices

Choice (4) | Response | |
---|---|---|

a. | ||

b. | ||

c. | ||

d. |

## Question 67

### Question

MCQ▾For any two rational numbers x and y, which of the following properties are correct?

### Choices

Choice (4) | Response | |
---|---|---|

a. | Only 1 & 2 are correct | |

b. | All 1,2 and 3 are correct | |

c. | Only 2 is correct | |

d. | Only 2 & 3 is correct |

## Question 68

### Question

MCQ▾The product of rational and irrational number is always________

### Choices

Choice (4) | Response | |
---|---|---|

a. | Rational | |

b. | Irrational | |

c. | None of the above | |

d. | All of the above |

## Question 69

### Question

MCQ▾The value of is

### Choices

Choice (4) | Response | |
---|---|---|

a. | 5.6666 | |

b. | 8.233 | |

c. | 6.464612 | |

d. | 3.5777 |

## Question 70

## Question 71

### Question

MCQ▾The set of real numbers does satisfy the property of

### Choices

Choice (4) | Response | |
---|---|---|

a. | Commutative property for multiplication | |

b. | Existence of additive identity | |

c. | Closure property of addition | |

d. | All a., b. and c. are correct |