# NSTSE (National Science Talent Search Exam- Unified Council) Class 7: Questions 646 - 648 of 1732

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## Question number: 646

» Mathematics » Rational Numbers

### Question

Which of the following rational numbers is in the standard form?

### Choices

Choice (4) | Response | |
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a. |
| |

b. |
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c. |
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d. | None of the above |

## Question number: 647

» Mathematics » Rational Numbers

### Question

is a ________.

### Choices

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

a. | Either positive or negative rational number | |

b. | Positive rational number | |

c. | Neither positive nor negative rational number | |

d. | Negative rational number |

## Question number: 648

» Mathematics » Lines and Angles

### Question

In the adjoining figure, it is given that , t is a transversal. Then the value of x is

### Choices

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

a. |
| |

b. |
| |

c. |
| |

d. | None of the above |