# Mental Ability (NCO- Cyber Olympiad Class 7): Questions 5 - 9 of 205

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## Question number: 5

» Mental Ability » Basic Arithmetic

### Question

A man sold a radio for Rs. 1800 and gained 15%. The radio was bought for

### Choices

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

a. | Rs. 1782 | |

b. | Rs. 1530 | |

c. | Rs. 1565.21 | |

d. | Rs. 2000 |

## Question number: 6

» Mental Ability » Basic Statistics

### Question

Create the correct diagram for: Student, Children, Animal

### Choices

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

a. | ||

b. | ||

c. | ||

d. |

## Question number: 7

» Mental Ability » Basic Arithmetic

### Question

600 liters of milk is divided in two parts having ratio X: 35, if the first part is 400 liters, find x.

### Choices

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

a. | 50 | |

b. | 70 | |

c. | 55 | |

d. | 57 |

## Question number: 8

» Mental Ability » Basic Statistics

### Question

Two number are in the ratio 4: 6. If 9 is subtracted from each, the new numbers are in the ratio 13: 15. The smaller number is________.

### Choices

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

a. | 8 | |

b. | 6 | |

c. | 3 | |

d. | 4 |

## Question number: 9

» Mental Ability » Basic Arithmetic

### Question

Find three numbers in the ratio 2: 3: 5 such that the sum of their squares is 608.

### Choices

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

a. | 8: 12: 20 | |

b. | 6: 9: 15 | |

c. | 16: 24: 40 | |

d. | Question does not provide sufficient data or is vague |