# IMO Level 1- Mathematics Olympiad (SOF) Class 7: Questions 512 - 516 of 1022

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## Question number: 512

### Question

Each of two groups of employees has 70 people. If of the first group are male employees and of the second group are male employees, how many more male employees of the first group than of the second group?

### Choices

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

a. | 20 | |

b. | 14 | |

c. | 15 | |

d. | 12 |

## Question number: 513

### Question

There are 78 white kites and 22 less blue kites than white kites in a shop. What is the ratio of the number of blue kites to the total number of kites?

### Choices

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

a. | 7: 15 | |

b. | 27: 61 | |

c. | 28: 67 | |

d. | 14: 33 |

## Question number: 514

### Question

Rohan’s mother was 24 years old when his sister was born. His father is 5 years older than his mother. Now Rohan is 19 years old and his sister is 6 years older than him. What is the present age of Rohan’s father?

### Choices

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

a. | 39 years | |

b. | 54 years | |

c. | 48 years | |

d. | 56 years |

## Question number: 515

### Question

I was sitting alone in a park. After a while, there came an old man followed by an old lady. They were followed by two couples who were accomplished by a child each. What was the number of total persons present in the park?

### Choices

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

a. | 8 | |

b. | 10 | |

c. | 11 | |

d. | 9 |

## Question number: 516

### Question

Mr. Arvind has a total of Rs. 15,000. He spends 30 % of his money on education. How many rupees does he spend on his education?

### Choices

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

a. | Rs. 1000 | |

b. | Rs. 4500 | |

c. | Rs. 5000 | |

d. | Rs. 5500 |