# NSTSE (National Science Talent Search Exam- Unified Council) Class 10: Questions 925 - 927 of 1484

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## Question number: 925

### Question

The value of is ________.

### Choices

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

a. | 0 | |

b. | -1 | |

c. | 1 | |

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

## Question number: 926

» Mathematics » Quadratic Equations

### Question

The coefficient of x in the quadratic equation was taken as 29 in the place of 21 and its roots were found to be -2 and -27. The roots of the original equation are

### Choices

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

a. | -3, -18 | |

b. | -3,18 | |

c. | 3, -18 | |

d. | None of the above |

## Question number: 927

» Mathematics » Triangles

### Question

In parallelogram ABCD, P is the mid-point of DC. Q is on AC such that CQ = AC. Then ________.

### Choices

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

a. | R is mid-point of BC | |

b. | Q is mid-point of SC | |

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

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