# NCO- Cyber Olympiad (SOF) Class 8: Questions 197 - 199 of 510

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## Question number: 197

» Mental Ability » Basic Arithmetic

### Question

Sneha can do a piece of work in 30 days. She works at it for 10 days and then Mona alone finishes the work in 10 days. The two together could have completed the work in

### Choices

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

a. | 8 days | |

b. | 20 days | |

c. | 10 days | |

d. | 15 days |

## Question number: 198

» Mental Ability » Basic Arithmetic

### Question

On the map shown above, 2 inches represents 15 miles. The distance between School and Library is 6.8 inches. What is the actual distance between them?

### Choices

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

a. | 170 miles | |

b. | 51 miles | |

c. | 13.6 miles | |

d. | 6.8 miles |

## Question number: 199

» Mental Ability » Number Games » Number Analogies

### Question

The diagram shows how some of the subsets of the set of real numbers are related. The letters represent members of the sets.

Meena wants to replace the letters with actual numbers. Which letter could be replaced with -5?

### Choices

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

a. | t | |

b. | p | |

c. | s | |

d. | w |