# NCO- Cyber Olympiad Class 6: Questions 243 - 247 of 722

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to **722** questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 400.00 or

## Question number: 243

» Mental Ability » Basic Arithmetic

### Question

when expressed as a percentage of , is ________.### Choices

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

a. | 60% | |

b. | 26% | |

c. | 50% | |

d. | 27.78% |

## Question number: 244

» Mental Ability » Basic Arithmetic

### Question

If stands for ‘division’, stands for ‘equal to’, stands for ‘addition’, stands for ‘greater than’, stands for ‘less than’, stands for ‘multiplication’ and stands for ‘subtraction’, then which of the following alternative is correct?

### Choices

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

a. |
| |

b. |
| |

c. |
| |

d. |

## Question number: 245

» Mental Ability » Basic Arithmetic

### Question

A car is stand in went direction then driven 12km towards east. Then it turned in south and driven further 15 km, then it turned in west direction and driven 11km and then turned in north and driven further 15 km. How far is car from its starting point?

### Choices

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

a. | 2 km | |

b. | 1 km | |

c. | 3 km | |

d. | 5 km |

## Question number: 246

» Mental Ability » Basic Arithmetic

### Question

A seller has 35 note books each of Rs. 50. If he sold them for Rs. 2000, he will get how much loss or profit?

### Choices

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

a. | 150 Rs. Profit | |

b. | 250 Rs. Profit | |

c. | 300 Rs. Loss | |

d. | 200 Rs. Loss |

## Question number: 247

» Mental Ability » Basic Arithmetic

### Question

The addition of two irrational numbers________.

### Choices

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

a. | An integer | |

b. | Is always irrational | |

c. | May be rational in some cases and irrational in some other cases | |

d. | Is always rational |