# Mathematics-Basic Geometry (NTSE Stage-1 (State-Level) Scholastic-Aptitude & Language Comprehension): Questions 25 - 29 of 41

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## Question number: 25

» Mathematics » Basic Geometry

### Question

If ‘O’ is the center of circle, then x is equal to

### Choices

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

a. | 40° | |

b. | 80° | |

c. | 60° | |

d. | 20° |

## Question number: 26

» Mathematics » Basic Geometry

### Question

In the given figure PT touches the circle with center O at R. Diameter SQ when produced meet PT at P. If ⦟SPR = x and ⦟QSR = y, then x + 2y is equal to

### Choices

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

a. |
| |

b. |
| |

c. |
| |

d. | None of the above |

## Question number: 27

» Mathematics » Basic Geometry

### Question

In the given figure and *. * The values of x, y, z and t are, respectively

### Choices

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

a. | 60, 75, 75, 60 | |

b. | 60, 70, 60, 70 | |

c. | 50, 75, 75, 65 | |

d. | 60, 60, 70, 70 |

## Question number: 28

» Mathematics » Basic Geometry

### Question

The ratio of an interior angle to the exterior angle of a regular polygon is 5: 1. The number of sides of polygon is

### Choices

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

a. | 12 | |

b. | 10 | |

c. | 14 | |

d. | 11 |

## Question number: 29

» Mathematics » Basic Geometry

### Question

In the adjoining figure, a smaller circle touches a larger circle internally and passes through the center O of the latter. If the area of the smaller circle is 200 cm ^{2}, the area of the larger circle in cm ^{2 } is

### Choices

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

a. | 200 | |

b. | 400 | |

c. | 800 | |

d. | 600 |