# NSTSE (National Science Talent Search Exam- Unified Council) Class 10: Questions 862 - 869 of 1484

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## Question number: 862

### Question

In a single throw of two dice, the probability of getting a sum of 5 is

### Choices

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

a. |
| |

b. |
| |

c. |
| |

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

## Question number: 863

### Question

The A. M of 6,8, 16,22,3, 5 is

### Choices

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

a. | 12 | |

b. | 10 | |

c. | 5 | |

d. | 22 |

## Question number: 864

### Question

The length of shadow of a tower is equal to its length. The angle of elevation of the sun is ________.

### Choices

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

a. |
| |

b. |
| |

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

## Question number: 865

» Mathematics » Quadratic Equations

### Question

If is a positive integer and the roots of the equation are rational numbers, then the smallest value of is:

### Choices

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

a. | 8 | |

b. | 3 | |

c. | 4 | |

d. | 10 |

## Question number: 866

### Question

The value of = ________.

### Choices

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

a. | 1 | |

b. | 0 | |

c. | -1 | |

d. | 2 |

## Question number: 867

» Mathematics » Triangles

### Question

In , D and E are midpoints of AB and AC then DE: BC = ________.

### Choices

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

a. | 4: 1 | |

b. | 1: 2 | |

c. | 2: 1 | |

d. | 1: 1 |

## Question number: 868

### Question

The sum of all the deviations of the observations of a data from it’s A. M. is

### Choices

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

a. | Maximum | |

b. | 0 | |

c. | Negative number | |

d. | Minimum |

## Question number: 869

### Question

If the classes of a distribution are 1 - 6,7 - 12,13 - 18, …. the upper boundary of class 1 - 6 is

### Choices

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

a. | 6.5 | |

b. | 7.5 | |

c. | 6 | |

d. | 5.5 |