# Mental Ability-Basic Arithmetic (NCO- Cyber Olympiad Class 7): Questions 106 - 112 of 122

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## Question number: 106

» Mental Ability » Basic Arithmetic

### Question

If the area of a triangle with base x is equal to the area of a square with side x, then the altitude of the triangle is.

### Choices

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

a. | 3x | |

b. | x | |

c. |
| |

d. | 2x |

## Question number: 107

» Mental Ability » Basic Arithmetic

### Question

The value of is

### Choices

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

a. | 1.466 | |

b. | 2.30 | |

c. | 1.00 | |

d. | 4.55 |

## Question number: 108

» Mental Ability » Basic Arithmetic

### Question

In an election, two candidates contested. A candidate secured 40 % of the valid votes and is elected by a majority of 200 votes. Find the total number of valid votes.

### Choices

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

a. | 700 | |

b. | 1000 | |

c. | 880 | |

d. | 450 |

## Question number: 109

» Mental Ability » Basic Arithmetic

### Question

In an election, two candidates contested. A candidate secured 80 % of the valid votes and is elected by a majority of 156 votes. Find the total number of valid votes.

### Choices

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

a. | 610 | |

b. | 880 | |

c. | 700 | |

d. | 390 |

## Question number: 110

» Mental Ability » Basic Arithmetic

### Question

A man sold a radio for 1320 and gained 10%, the radio was bought for?

### Choices

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

a. | 1200 | |

b. | 1790 | |

c. | 980 | |

d. | 850 |

## Question number: 111

» Mental Ability » Basic Arithmetic

### Question

3 children and 9 men completed a certain piece of work in 12 days. Each children takes thrice the time taken by a man to finish the work. In how many days will 9 men finish the same work?

### Choices

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

a. | 8 | |

b. | 13.3 | |

c. | 12.5 | |

d. | 15.6 |

## Question number: 112

» Mental Ability » Basic Arithmetic

### Question

Two cubes have volumes in the ratio 1: 8. Then the ratio of their sides is

### Choices

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

a. | 1: 8 | |

b. | 1: 18 | |

c. | 1: 2 | |

d. | 1: 4 |