# NCO- Cyber Olympiad (SOF) Class 8: Questions 20 - 23 of 510

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## Question number: 20

» Non Verbal Reasoning » Identifying and Counting Geometrical Shapes and Solids

### Question

Analyze the following figure and find the number of quadrilaterals.

### Choices

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

a. | 10 | |

b. | 11 | |

c. | 9 | |

d. | 7 |

## Question number: 21

» Non Verbal Reasoning » Mirror Images

### Question

Seen through a mirror, the arms of a clock show 10: 15. What is the actual time?

### Choices

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

a. | 1: 45 | |

b. | 2: 45 | |

c. | 3: 10 | |

d. | 2: 15 |

## Question number: 22

» Mental Ability » Number Games » Number Analogies

### Question

The sum of two numbers is 30 and the difference of their squares is 30. The difference of the numbers is

### Choices

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

a. | 1 | |

b. | 0 | |

c. | 8 | |

d. | 3 |

## Question number: 23

» Mental Ability » Basic Arithmetic

### Question

A certain sum of simple interest becomes double in 10 years. In how many years will it become four times?

### Choices

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

a. | 40 years | |

b. | 20 years | |

c. | 5 years | |

d. | 50 years |