# NSTSE (National Science Talent Search Exam- Unified Council) Class 7: Questions 685 - 693 of 1732

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## Question 685

## Question 686

### Question

MCQ▾The value of is

### Choices

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

a. | 240 | |

b. | 400 | |

c. | 520 | |

d. | 640 |

## Question 687

### Question

MCQ▾In the adjoining figure, it is given that . and then ________.

### Choices

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

a. | ||

b. | ||

c. | ||

d. |

## Question 688

### Question

MCQ▾The product of and is

### Choices

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

a. | ||

b. | ||

c. | ||

d. |

## Question 689

### Question

MCQ▾If the angles of a triangle are in the ratio 1: 2: 3 then the triangle is

### Choices

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

a. | Right angled | |

b. | Right angled isosceles | |

c. | Acute angled | |

d. | Obtuse angled |

## Question 690

### Question

MCQ▾If then the value of = ________

### Choices

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

a. | Cannot be determined | |

b. | 1 | |

c. | 0 | |

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

## Question 691

### Question

MCQ▾By what number should we multiply so that the product may be equal to 27?

### Choices

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

a. | ||

b. | ||

c. | ||

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

## Question 692

### Question

MCQ▾The sum of two rational numbers is -4. If one of the numbers is , then the other number is

### Choices

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

a. | ||

b. | ||

c. | ||

d. |

## Question 693

### Question

MCQ▾A cloth merchant says that due to slump in the market, he sells the cloth at 5 % loss, but he uses a false meter scale and actually gain 10 % . Find the actual length of the scale.

### Choices

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

a. | 90 cm | |

b. | 86.36 cm | |

c. | 80 cm | |

d. | 85.60 cm |