# NCO- Cyber Olympiad (SOF) Class 7: Questions 283 - 289 of 417

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## Question number: 283

» Verbal Reasoning » Series Completion

### Question

105,165,195,255,285,345, ?

### Choices

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

a. | 435 | |

b. | 420 | |

c. | 395 | |

d. | 390 |

## Question number: 284

» Mental Ability » Basic Geometry

### Question

XYZ is an isosceles triangle with XY = 12 m and , then XZ ________?

### Choices

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

a. | 3 m | |

b. | 6 m | |

c. | 11 m | |

d. | 12 m |

## Question number: 285

» Mental Ability » Basic Arithmetic

### Question

What percent of is ?

### Choices

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

a. | 2.5% | |

b. | 20% | |

c. | 25% | |

d. | 0.4% |

## Question number: 286

» Mental Ability » Basic Arithmetic

### Question

The present ages of three persons in proportions 3: 6: 9. Five years ago, the sum of their ages was 57. Find their present ages (in years).

### Choices

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

a. | 12,24,36 | |

b. | 18,32,15 | |

c. | 15,30,45 | |

d. | None of the above |

## Question number: 287

» Mental Ability » Basic Geometry

### Question

ABC is an isosceles triangle with AB = AC and AD is altitude, then for angles

### Choices

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

a. | B < C | |

b. | B > C | |

c. | B = C | |

d. | B ≥ C |

## Question number: 288

» Mental Ability » Number Games » Number Series

### Question

Two days after the day before yesterday is Wednesday, What day is today?

### Choices

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

a. | Monday | |

b. | Tuesday | |

c. | Sunday | |

d. | Friday |

## Question number: 289

» Mental Ability » Basic Arithmetic

### Question

A farmer has 2 grasshoppers of the same species. The corresponding parts of the grasshopper’s bodies are proportional. The larger grasshopper has an 8 cm body and a 1.5 cm forelimb. The smaller grasshopper has a 1.2 cm forelimb. How long is the body of the smaller grasshopper?

### Choices

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

a. | 6.0 cm | |

b. | 6.4 cm | |

c. | 7.7 cm | |

d. | 10.0 cm |