# IMO Level 1- Mathematics Olympiad (SOF) Class 7: Questions 810 - 817 of 1022

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## Question 810

### Question

MCQ▾The price of milk decreases by 20 % . If a housewife wants to spend the same amount of money, how much % excess milk can she get?

### Choices

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

a. | 20 % | |

b. | 25 % | |

c. | 50 % | |

d. |

## Question 811

### Question

MCQ▾The ratio of the radii of two hula-hoops is 2: 5. What is the ratio of their area?

### Choices

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

a. | 25: 4 | |

b. | 2: 5 | |

c. | 4: 25 | |

d. | 3: 2 |

## Question 812

### Question

MCQ▾The radius of the given circle is 7 cm, then the area of the shaded portion is ________.

### Choices

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

a. | ||

b. | ||

c. | ||

d. |

## Question 813

### Question

MCQ▾The quadrilateral which has both line and rotational symmetry of order more than 1 is ________.

### Choices

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

a. | Rhombus | |

b. | Square | |

c. | Parallelogram | |

d. | Rectangle |

## Question 814

### Question

MCQ▾The height of an isosceles triangle is cm long and its equivalent sides are 10 cm long. Its area is ________.

### Choices

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

a. | ||

b. | ||

c. | ||

d. |

## Question 815

### Question

MCQ▾If and , then the value of is ________.

### Choices

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

a. | 1534 | |

b. | 1781 | |

c. | 1625 | |

d. | 1624 |

## Question 816

### Question

MCQ▾‘Better’ is related to ‘worse’ as ‘complicated’ is related to ________.

### Choices

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

a. | Durable | |

b. | Hard | |

c. | Easy | |

d. | Tricky |

## Question 817

### Question

MCQ▾A well of diameter 80 cm has a stone wall around it. If the length of the outer edge of the wall is 440 cm, then the width of the wall is ________.

### Choices

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

a. | 20 cm | |

b. | 30 cm | |

c. | 60 cm | |

d. | 50 cm |