# NCO- Cyber Olympiad (SOF) Class 4: Questions 71 - 78 of 783

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## Question number: 71

## Question number: 72

» Mental Ability » Basic Arithmetic

### Question

Two fractions are non-equivalent, if their cross multiplications are

### Choices

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

a. | 0 | |

b. | Equal | |

c. | 1 | |

d. | not equal |

## Question number: 73

» Computers » Introduction to Internet and Its Uses

### Question

A________ is a website in which information is any online “bulletin **board** “.

### Choices

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

a. | Blog | |

b. | ||

c. | Operating system | |

d. | Discussion forum |

## Question number: 74

» Mental Ability » Basic Arithmetic

### Question

Julie had 200 sheets of paper. She used 27 for a report. How many sheets are left with her

### Choices

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

a. | 227 | |

b. | 200 | |

c. | 183 | |

d. | 173 |

## Question number: 75

## Question number: 76

## Question number: 77

» Mental Ability » Basic Arithmetic

### Question

The sum of the factors of 18 is

### Choices

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

a. | 39 | |

b. | 40 | |

c. | 38 | |

d. | 34 |

## Question number: 78

» Non Verbal Reasoning » Identifying and Counting Geometrical Shapes and Solids

### Question

What is the number of rectangles in the following figure?

### Choices

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

a. | 10 | |

b. | 7 | |

c. | 8 | |

d. | 9 |