# NSTSE (National Science Talent Search Exam- Unified Council) Class 10: Questions 224 - 231 of 1484

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## Question 224

### Question

MCQ▾The roots of the equation can be obtained graphically by finding the abscissas of the pointing of intersection of each of the following pairs of equations except

### Choices

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

b. | ||

c. | ||

d. |

## Question 225

### Question

MCQ▾If ‘a’ and ‘b’ are unequal and and have a common factor, then = ________.

### Choices

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

a. | - 1 | |

b. | 0 | |

c. | 1 | |

d. | 2 |

## Question 226

### Question

MCQ▾= ________.

### Choices

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

b. | ||

c. | ||

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

## Question 227

### Question

MCQ▾The sum of 15 terms of is

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

b. | ||

c. | ||

d. |

## Question 228

### Question

MCQ▾If then =

### Choices

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

a. | 4 | |

b. | - 4 | |

c. | Both a. and b. are correct | |

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

## Question 229

### Question

MCQ▾The measures of the interior angles of a convex polygon are in AP. If the smallest angle is and the largest angle is , then the number of sides of the polygon is

### Choices

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

a. | 7 | |

b. | 11 | |

c. | 5 | |

d. | 9 |

## Question 230

### Question

MCQ▾and are three vertices of the parallelogram ABCD. The coordinates of the fourth vertex is ________.

### Choices

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

b. | ||

c. | ||

d. |

## Question 231

### Question

MCQ▾The 8^{th} term of an AP is 16 and the 15^{th} term is 58. Then the second term is

### Choices

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

a. | -26 | |

b. | 42 | |

c. | 18 | |

d. | -20 |