# Mathematics [NSTSE (National Science Talent Search Exam- Unified Council) Class 9]: Questions 765 - 767 of 989

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## Question number: 765

» Mathematics » Surface Areas & Volumes

### Question

A top is of the shape of a cone over a hemisphere. The radius of the hemisphere is 10 cm. The total height of the top is 34 cm. The total area of top is ________.

### Choices

Choice (4) | Response | |
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a. |
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b. |
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c. |
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d. | Question does not provide sufficient data or is vague |

## Question number: 766

» Mathematics » Statistics

### Question

The mean of all factors of 48 is

### Choices

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

a. | 14.2 | |

b. | 21.4 | |

c. | 12.4 | |

d. | 12 |

## Question number: 767

» Mathematics » Lines and Angles

### Question

From the adjoining figure the value of is

### Choices

Choice (4) | Response | |
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a. |
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b. |
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c. |
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d. | None of the above |