# Mental Ability (NCO- Cyber Olympiad Class 6): Questions 83 - 88 of 394

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## Question number: 83

» Mental Ability » Basic Arithmetic

### Question

The side which is opposite to right angle is called as________.

### Choices

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

a. | Cathetus | |

b. | Hypotenuse | |

c. | Opposite | |

d. | None of the above |

## Question number: 84

» Mental Ability » Basic Arithmetic

### Question

The LCM of two numbers is 216. Which of the following numbers cannot be possibly the HCF of these numbers?

### Choices

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

a. | 36 | |

b. | 32 | |

c. | 54 | |

d. | 6 |

## Question number: 85

» Mental Ability » Basic Arithmetic

### Question

Urtik borrowed Rs. 5000 from a bank on 17^{th}June, 2004 and settled the account on 17

^{th}May 2005. What amount did he pay if the rate of interest is 12 % per annum?

### Choices

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

a. | Rs. 5648 | |

b. | Rs. 5548 | |

c. | Rs. 5549 | |

d. | Rs. 5649 |

## Question number: 86

» Mental Ability » Ranking Test

### Question

Which pair of numbers represents the greatest and the least numbers in the following set?

{1, 1.02, 1.023, 2.3, 1.40, 2.31}

### Choices

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

a. | {1.02, 2.31} | |

b. | {2.31, 1} | |

c. | {1, 2.3} | |

d. | {1, 1.023} |

## Question number: 87

» Mental Ability » Basic Arithmetic

### Question

Hiral think of a number then she subtract 5 from it and multiply the answer by 4. Let the resulting number be X. Starting with X, how can she get the original number back?

### Choices

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

a. | Multiply X by 5 and then subtract 4 from the result | |

b. | Divide X by 4 and then add 5 to the result | |

c. | Divide X by 4 and then subtract 5 from the result | |

d. | Multiply X by 4 and then add 5 to the result |

## Question number: 88

» Mental Ability » Basic Arithmetic

### Question

The number that should replace the triangle so that the following forms a proportion is________.

23, 56, 42, ∆

### Choices

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

a. | 105 | |

b. | 100 | |

c. | 102 | |

d. | 104 |