# IMO Level 1- Mathematics Olympiad (SOF) Class 6: Questions 817 - 822 of 1059

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## Question number: 817

» Algebra

### Question

Misha travelled 2x km on towards the school, 3y km to tuition and 5z km towards home. The total distance covered by Misha by an algebraic expression is

### Choices

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

a. | km | |

b. | km | |

c. | km | |

d. | km |

## Question number: 818

» Symmetry and Practical Geometry

### Question

An angle of is drawn using a pair of compass and ruler by

### Choices

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

a. | Bisecting and the bisecting it again | |

b. | Bisecting and | |

c. | Bisecting | |

d. | Bisecting and |

## Question number: 819

### Question

If ________ liters: 25 liters = 15000 m: 120 km, then ________means

### Choices

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

a. | 5.123 | |

b. | 3 | |

c. | 2.512 | |

d. | 3.125 |

## Question number: 820

» Algebra

### Question

Ages of two friends are in the ratio 2: 1. If the sum of their ages is 51, then their ages are respectively

### Choices

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

a. | 34 yrs. 17 yrs. | |

b. | 34 yrs. 20 yrs. | |

c. | 30 yrs. 15 yrs. | |

d. | 20 yrs. 10 yrs. |

## Question number: 821

» Algebra

### Question

When Hina multiplies a certain number by 21 and adds 3 to the product, she gets 318. Find that number.

### Choices

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

a. | 16 | |

b. | 15 | |

c. | 14 | |

d. | 13 |

## Question number: 822

### Question

A room is 12.5 m long and 8 m wide. A square carpet of side 8 m is laid on its floor. Find the area of the floor which is not carpeted?

### Choices

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

a. | 63 sq. m | |

b. | 36 sq. m | |

c. | 36 m | |

d. | 63 m |