# IMO Level 1- Mathematics Olympiad (SOF) Class 6: Questions 749 - 754 of 1059

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## Question 749

## Question 750

### Question

MCQ▾In a cricket coaching camp, 1200 children are trained out of which 900 are selected for various matches. Ratio of non-selected children to the total number of children is

### Choices

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

a. | 4: 1 | |

b. | 120: 300 | |

c. | 1: 4 | |

d. | 300: 120 |

## Question 751

## Question 752

### Question

MCQ▾The ratio of teacher՚s age to that his student՚s age is equal to the ratio of the principal՚s age to that of clerk՚s age. If the ages of teacher, student and clerk be 30,20 and 45 years respectively, then the age of the principal is

### Choices

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

a. | 65 years | |

b. | 70 years | |

c. | 69 years | |

d. | 67.5 years |

## Question 753

## Question 754

### Question

MCQ▾What is the smallest number of squares that must be shaded so that the line AB becomes a line of symmetry?

### Choices

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

a. | 7 | |

b. | 4 | |

c. | 5 | |

d. | 3 |