# IMO Level 1- Mathematics Olympiad (SOF) Class 7: Questions 218 - 223 of 1022

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## Question 218

### Question

MCQ▾A number is multiplied by 6. If 24 is subtracted from the product and difference is divided by 42, the result is equal to 10. The number is ________.

### Choices

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

a. | 74 | |

b. | 56 | |

c. | 19 | |

d. | 52 |

## Question 219

### Question

MCQ▾5 is added to a number and the sum is multiplied by 5. If 25 is subtracted from the product and difference is divided by 8, the result is equal to 10. The number is ________.

### Choices

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

a. | 10 | |

b. | 19 | |

c. | 16 | |

d. | 14 |

## Question 220

### Question

MCQ▾Savan is n years older than his sister is. His sister’s age is 19. What is their total age before 2 years?

### Choices

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

a. | years | |

b. | years | |

c. | years | |

d. | years |

## Question 221

## Question 222

### Question

MCQ▾The number of girls in a class is 4 times the number of boys. Which of the following cannot be the total number of children in the class?

### Choices

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

a. | 25 | |

b. | 17 | |

c. | 35 | |

d. | 105 |

## Question 223

### Question

MCQ▾One-third of Rajani’s marks in Mathematics exceeds a half of his marks in English by 30. If he got 120 marks in the two subjects together, how many marks did he get in English?

### Choices

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

a. | 42 | |

b. | 84 | |

c. | 78 | |

d. | 36 |