# NCO- Cyber Olympiad (SOF) Class 4: Questions 687 - 692 of 783

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## Question number: 687

» Computers » Input and Output Devices

### Question

Keyboard, mouse, flatbed scanner are example of which type of devices?

### Choices

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

a. | TV dish | |

b. | Input | |

c. | Output | |

d. | Modem |

## Question number: 688

» Mental Ability » Basic Arithmetic

### Question

3 and 6 are factors of

### Choices

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

a. | 10 | |

b. | 18 | |

c. | 15 | |

d. | 3 |

## Question number: 689

## Question number: 690

» Mental Ability » Basic Geometry

### Question

Perimeter of the given figure is

### Choices

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

a. | 40 cm | |

b. | 23 cm | |

c. | 20 cm | |

d. | 26 cm |

## Question number: 691

» Mental Ability » Basic Arithmetic

### Question

Find the largest number which can exactly divide 156,221 and 273

### Choices

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

a. | 25 | |

b. | 13 | |

c. | 27 | |

d. | 17 |

## Question number: 692

» Mental Ability » Days and Dates

### Question

What is the time in the clock?

### Choices

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

a. | 9 o’clock | |

b. | 7 o’clock | |

c. | 8 o’clock | |

d. | 6 o’clock |