# NSTSE (National Science Talent Search Exam- Unified Council) Class 7: Questions 733 - 739 of 1732

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## Question 733

### Question

MCQ▾A pendulum of a clock takes 45 seconds to complete 15 oscillations, calculate its time period.

### Choices

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

a. | 4 sec | |

b. | 9 sec | |

c. | 3 sec | |

d. | 6 sec |

## Question 734

### Question

MCQ▾A rational number equivalent to is

### Choices

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

a. | ||

b. | ||

c. | ||

d. | None of the above |

## Question 735

### Question

MCQ▾Temperature at the foot of a mountain is . It fell down by at the top of the mountain. The temperature recorded on the top is

### Choices

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

a. | ||

b. | ||

c. | ||

d. |

## Question 736

### Question

MCQ▾The arithmetic mean for the following frequency distribution is

Class | ||||||

1 | 2 | 3 | 4 | 5 | 6 | 7 |

Frequency | ||||||

34 | 22 | 46 | 28 | 17 | 63 | 56 |

### Choices

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

a. | 36 | |

b. | 24 | |

c. | 38 | |

d. | 46 |

## Question 737

## Question 738

### Question

MCQ▾Line segment has ________ end points.

### Choices

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

a. | 3 | |

b. | No | |

c. | 1 | |

d. | 2 |

## Question 739

### Question

MCQ▾Which of the following is a proper fraction?

### Choices

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

a. | ||

b. | ||

c. | ||

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