# IMO Level 1- Mathematics Olympiad (SOF) Class 7: Questions 211 - 217 of 1022

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## Question 211

## Question 212

## Question 213

### Question

MCQ▾In two- digit number, unit’s digit is twice the ten’s digit. The number formed by interchanging the digits is 27 more than the original number. The original number is ________

### Choices

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

a. | 36 | |

b. | 45 | |

c. | 72 | |

d. | 84 |

## Question 214

### Question

MCQ▾The sum of 4 consecutive integers is 54. Then the greatest among them is ________.

### Choices

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

a. | 15 | |

b. | 12 | |

c. | 13 | |

d. | 14 |

## Question 215

### Question

MCQ▾The age of A and B are in ratio after 4 years, their ages will be in the ratio 7: 5 the sum of present age is ________

### Choices

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

a. | 14 years | |

b. | 12 years | |

c. | 16 years | |

d. | 24 years |

## Question 216

### Question

MCQ▾The number of girls in a class is 3 times the number of boys. Which of the following cannot be the total number of children in the class?

### Choices

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

a. | 16 | |

b. | 64 | |

c. | 32 | |

d. | 18 |

## Question 217

### Question

MCQ▾The total cost of three prizes is Rs. 4440. If the value of second prize is of the first and the value of third prize is of the second prize, then the value of first prize is ________.

### Choices

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

a. | Rs. 1200 | |

b. | Rs. 1500 | |

c. | Rs. 1050 | |

d. | Rs. 1800 |