# NSTSE (National Science Talent Search Exam- Unified Council) Class 7: Questions 1207 - 1213 of 1732

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## Question 1207

### Question

MCQ▾If negative sign precedes a bracket the sign of the terms inside the bracket will ________when the bracket is removed.

### Choices

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

a. | Change | |

b. | Not change | |

c. | Remain the same | |

d. | None of the above |

## Question 1208

### Question

MCQ▾An equilateral triangle can be obtuse angled.

### Choices

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

a. | True | |

b. | False | |

c. | Cannot be determined | |

d. | None of the above |

## Question 1209

### Question

MCQ▾Madhuri glued 5 white cubes together as shown below. Then she pained the entire figure black.

How many faces of the 4 cubes were painted red?

### Choices

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

a. | 10 | |

b. | 5 | |

c. | 30 | |

d. | 22 |

## Question 1210

## Question 1211

### Question

MCQ▾In the adjoining figure, ABC is a triangle in which D and E are the mid points of AB and AC respectively. If DE = 2.4 cm then BC = ________.

### Choices

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

a. | 4.8 cm | |

b. | 2.8 cm | |

c. | 6.8 cm | |

d. | 4.0 cm |

## Question 1212

### Question

MCQ▾Express 0.00075 in scientific notation.

### Choices

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

a. | ||

b. | ||

c. | ||

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

## Question 1213

### Question

MCQ▾When the price of a pressure cooker was increased by 15 % , the sale of pressure cooker decreased by 15 % . What was the net effect on the sales?

### Choices

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

a. | No effect | |

b. | 15 % increase | |

c. | 2.25 % increase | |

d. | 2.25 % decrease |