# NCO- Cyber Olympiad (SOF) Class 10: Questions 22 - 25 of 461

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## Question 22

### Question

MCQ▾In the given question a square sheet of paper has been folded and punched as shown. How would the paper look like when unfolded?

### Choices

Choice (4) | Response | |
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a. | ||

b. | ||

c. | ||

d. |

## Question 23

### Question

MCQ▾Find the mean marks of students from the following cumulative frequency table:

Marks | Number of Students |

0 and above 10 and above 20 and above 30 and above 40 and above 50 and above 60 and above 70 and above 80 and above 90 and above 100 and above | 60 58 52 46 36 32 28 22 16 6 0 |

### Choices

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

a. | 55 | |

b. | 54.33 | |

c. | 51.2 | |

d. | 56.89 |

## Question 24

### Question

MCQ▾20 liters of a mixture contains 10 % water and the rest orange juice. If 3 liters of orange juice be mixed in it, the percentage of water in the new mixture will be

### Choices

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

a. | 20 % | |

b. | % | |

c. | ||

d. |

## Question 25

### Question

MCQ▾Calculate the area of the shaded portion. The quadrants shown in the figure are each of radius 14 cm. Take .

### Choices

Choice (4) | Response | |
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a. | ||

b. | ||

c. | ||

d. |