# Mental Ability (NCO- Cyber Olympiad Class 5): Questions 52 - 58 of 257

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to **569** questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 350.00 or

## Question number: 52

» Mental Ability » Basic Arithmetic

### Question

Each cube on the scale weights 10 gms. All the bottle has equal weights. What is the weight of one of the bottle?

### Choices

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

a. | 20 gm | |

b. | 10 gm | |

c. | 30 gm | |

d. | 15 gm |

## Question number: 53

» 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: 54

» Mental Ability » Basic Arithmetic

### Question

The sum of all numbers from 1 to 5 is ________.

### Choices

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

a. | odd | |

b. | Negative | |

c. | Prime number | |

d. | Even |

## Question number: 55

» Mental Ability » Basic Arithmetic

### Question

Three out of every ten students in the fifth grade own a computer. There are 50 students in the fifth grade. How many fifth grade students own computers?

### Choices

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

a. | 10 Students | |

b. | 25 Students | |

c. | 15 Students | |

d. | 20 Students |

## Question number: 56

» Mental Ability » Basic Arithmetic

### Question

choose the symbol that will make this statement true.

55 + 11 ________ 44 + 22

### Choices

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

a. | < | |

b. | = | |

c. | > | |

d. | All of the above |

## Question number: 57

» Mental Ability » Basic Arithmetic

### Question

Choose the symbol that will make this statement true.

54 + 19 ________ 34 + 29

### Choices

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

a. | = | |

b. | > | |

c. | < | |

d. | ~ |

## Question number: 58

» Mental Ability » Basic Arithmetic

### Question

Each Pyramid on the scale weights 15 gms. All the cubes have equal weights. What is the weight of one of the cubes?

### Choices

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

a. | 15gms | |

b. | 60gms | |

c. | 20gms | |

d. | 30gms |