# IMO Level 1- Mathematics Olympiad (SOF) Class 8: Questions 286 - 292 of 1042

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## Question 286

### Question

MCQ▾Which of the following quadrilateral has four right angles?

### Choices

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

a. | Square | |

b. | Rectangle | |

c. | Rhombus | |

d. | Square and rectangle |

## Question 287

### Question

MCQ▾If a quadrilateral has all equal sides and parallel opposite sides, it is called________.

### Choices

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

a. | Parallelogram | |

b. | Rhombus | |

c. | Kite | |

d. | Rectangle |

## Question 288

### Question

MCQ▾The number of sides of a regular polygon whose each interior angle has a measure of is________.

### Choices

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

a. | 6 | |

b. | 8 | |

c. | 5 | |

d. | 3 |

## Question 289

### Question

MCQ▾Choose the correct statement.

### Choices

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

a. | Only the square has all the angles right angle. | |

b. | All the sides of rhombus are not congruent. | |

c. | None of the above | |

d. | The diagonals of rectangle are not congruent |

## Question 290

### Question

MCQ▾In a parallelogram PQRS, if, then the others angles are________.

### Choices

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

a. | 45, 145, 135 | |

b. | 45, 125, 135 | |

c. | 45, 135, 135 | |

d. | 45, 115, 115 |

## Question 291

## Question 292

### Question

MCQ▾The difference between compound interest and simple interest on a sum of 2 years at 10 % per annum, when the interest is compounded annually is Rs. 15. If the interest were compounded half yearly, the difference in two interests would be

### Choices

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

a. | 23.25 | |

b. | 24.30 | |

c. | 25.64 | |

d. | 23.00 |