# Mental Ability-Basic Geometry (NCO- Cyber Olympiad Class 5): Questions 7 - 11 of 50

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## Question number: 7

» Mental Ability » Basic Geometry

### Question

The length of a rectangular surface is 6 cm. If the perimeter is 20 cm, what is the area of the surface?

### Choices

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

a. | 8 | |

b. | 24 | |

c. | 4 | |

d. | 20 |

## Question number: 8

» Mental Ability » Basic Geometry

### Question

The length of a rectangular surface is 8 cm. If the perimeter is 20 cm, what is the area of the surface?

### Choices

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

a. | 1 | |

b. | 16 | |

c. | 54 | |

d. | 66 |

## Question number: 9

» Mental Ability » Basic Geometry

### Question

∆ABC is similar to ∆PQR. Find the length of PR.

### Choices

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

a. | 16cm | |

b. | 4cm | |

c. | 14cm | |

d. | 20cm |

## Question number: 10

» Mental Ability » Basic Geometry

### Question

If each side of square A is multiplied by 3 to create square B. how does the area of square B compared to square A?

### Choices

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

a. | It is four times as large | |

b. | It is nine times as large | |

c. | It is three times as large | |

d. | It is twice as large |

## Question number: 11

» Mental Ability » Basic Geometry

### Question

The area of a square is 4 square centimetres. How long is one side?

### Choices

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

a. | 16 | |

b. | 2 | |

c. | 4 | |

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