# NSTSE (National Science Talent Search Exam- Unified Council) Class 7: Questions 519 - 526 of 1732

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## Question 519

### Question

MCQ▾If the arithmetic mean of 3, 5,8, 4, x and 6 is 5, then x is

### Choices

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

a. | 10 | |

b. | 7 | |

c. | 8 | |

d. | 4 |

## Question 520

### Question

MCQ▾Out of the rational number , , , which is smaller?

### Choices

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

a. | ||

b. | ||

c. | ||

d. | None of the above |

## Question 521

### Question

MCQ▾Product of two positive integers and a negative integer is

### Choices

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

a. | Negative | |

b. | Zero | |

c. | Positive | |

d. | None of the above |

## Question 522

### Question

MCQ▾Multiplying a negative integer for odd times gives a ________ result.

### Choices

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

a. | Negative | |

b. | 0 | |

c. | Positive | |

d. | None of the above |

## Question 523

### Question

MCQ▾The difference between the length and breadth of a rectangle is 54 m. If the perimeter is m, then the area is

### Choices

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

a. | ||

b. | ||

c. | ||

d. |

## Question 524

## Question 525

## Question 526

### Question

MCQ▾In the following figure if AB = AC then find .

### Choices

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

a. | ||

b. | ||

c. | ||

d. |