# Mental Ability (NCO- Cyber Olympiad Class 5): Questions 142 - 146 of 257

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## Question number: 142

» Mental Ability » Basic Arithmetic

### Question

The picture below shows what happened when different numbers were put in the same number machine

Which could be the rule used in this number machine?

### Choices

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

a. | Subtract 9 | |

b. | Multiply by 3 then add 2 | |

c. | Multiply by 2 then add 2 | |

d. | Add 5 |

## Question number: 143

» Mental Ability » Number Games » Number Series

### Question

6, 11, 21, 36, 56, ?

### Choices

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

a. | 91 | |

b. | 42 | |

c. | 51 | |

d. | 81 |

## Question number: 144

» Mental Ability » Basic Arithmetic

### Question

What fraction is the shaded part?

### Choices

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

a. | 2 | |

b. |
| |

c. |
| |

d. | 3 |

## Question number: 145

» Mental Ability » Basic Arithmetic

### Question

Which of the following shows ?

### Choices

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

a. | ||

b. | ||

c. | ||

d. |

## Question number: 146

» Mental Ability » Basic Arithmetic

### Question

Mr. Kunal is 36 year old. His son is 8 years old. The ages of Mr. Kunal, his wife and their son add up to 77. Which equation could be used to determine how old Mrs. Kunal is if n = Mrs. Kunal’s age?

### Choices

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

a. | 77 + 36 + 8=n | |

b. | 36 + 8+n = 77 | |

c. | 36 + 8=77 + n | |

d. | 36 + n=77 + 8 |