# NSTSE (National Science Talent Search Exam- Unified Council) Class 7: Questions 535 - 543 of 1732

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## Question 535

### Question

MCQ▾At what rate of interest per annum will a sum double itself in 10 years?

### Choices

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

a. | 10 % | |

b. | 15 % | |

c. | 5 % | |

d. | 20 % |

## Question 536

## Question 537

### Question

MCQ▾In value of x is

### Choices

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

a. | + 2 | |

b. | + 18 | |

c. | - 2 | |

d. | - 18 |

## Question 538

### Question

MCQ▾If the price of gas is increased by 30 % , by how much % must a house wife reduce her consumption of gas, so as to have no extra expenditure?

### Choices

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

a. | ||

b. | ||

c. | ||

d. |

## Question 539

## Question 540

### Question

MCQ▾In the word SAMEER, what fraction of alphabets are made of four lines?

### Choices

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

a. | ||

b. | ||

c. | ||

d. |

## Question 541

## Question 542

### Question

MCQ▾Which of the following has a definite length?

### Choices

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

a. | Ray | |

b. | Straight line | |

c. | Line segment | |

d. | All of the above |

## Question 543

### Question

MCQ▾If ABCD is a quadrilateral and E, F, G, H are midpoints of AB, BC, CD, DA respectively. Then EFGH is a

### Choices

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

a. | Rhombus | |

b. | Rectangle | |

c. | Parallelogram | |

d. | Square |