# IMO Level 1- Mathematics Olympiad (SOF) Class 7: Questions 642 - 648 of 1022

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## Question 642

### Question

MCQ▾The value of a machine depreciates every year by 5 % . If the present value of the machine be ₹ 100,000, what will be its value after two years?

### Choices

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

a. | ₹ 99,000 | |

b. | ₹ 99,250 | |

c. | ₹ 100,050 | |

d. | ₹ 90,250 |

## Question 643

### Question

MCQ▾In the figure (not drawn to scale) , ABCD is a rhombus, FHI is an equilateral triangle and CEFG is a trapezium with EC parallel to FG, DCFI, BCG and GFH are straight lines. Find x and y respectively.

### Choices

Choice (4) | Response | |
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a. | ||

b. | ||

c. | ||

d. |

## Question 644

### Question

MCQ▾If the area of a rectangle with width a is equal to the area of a square with side a, then the length of the rectangle is ________.

### Choices

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

a. | a | |

b. | 2a | |

c. | ||

d. | 3a |

## Question 645

### Question

MCQ▾In the figure (not drawn to scale) , ABC and DEB are triangles and FC = CE, find x.

### Choices

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

a. | ||

b. | ||

c. | ||

d. |

## Question 646

### Question

MCQ▾If a, b and c are the sides of a triangle, then ________.

### Choices

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

a. | ||

b. | ||

c. | ||

d. |

## Question 647

### Question

MCQ▾In the given figure, if AD = BC and , then ________.

### Choices

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

a. | ||

b. | ||

c. | ||

d. |

## Question 648

### Question

MCQ▾In the adjoining figure, ABC is an isosceles triangle in which AB = AC. If E and F be the midpoints of AC and AB respectively, then BE is equal to ________.

### Choices

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

a. | BF | |

b. | CF | |

c. | CE | |

d. | AB |