# IMO Level 1- Mathematics Olympiad (SOF) Class 7: Questions 177 - 183 of 1022

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## Question 177

### Question

MCQ▾If two supplementary angles differ by, then one of the angle is ________.

### Choices

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

a. | ||

b. | 62° | |

c. | ||

d. | Both a. and b. are correct |

## Question 178

### Question

MCQ▾If two supplementary angles differ by, then one of the angle is ________.

### Choices

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

a. | ||

b. | ||

c. | ||

d. | 128° |

## Question 179

### Question

MCQ▾If two supplementary angles differ by, then one of the angle is ________.

### Choices

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

a. | ||

b. | ||

c. | 115° | |

d. | 105° |

## Question 180

### Question

MCQ▾In a group of animal and birds, in addition to 15 dogs there are 9 cows and 4 peacocks with some parrot. If the total number of feet be 86 more than the number of heads, Find the number of parrots.

### Choices

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

a. | 12 | |

b. | 20 | |

c. | 23 | |

d. | 10 |

## Question 181

### Question

MCQ▾John was asked to multiply a number by 14. He instead multiplied the number by 41 and got the answer 378 more than the correct answer. The number to be multiplied was ________.

### Choices

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

a. | 42 | |

b. | 15 | |

c. | 12 | |

d. | 14 |

## Question 182

### Question

MCQ▾Ravi has to secure marks to pass. He got 68 marks and failed by 44 marks. The maximum marks are ________.

### Choices

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

a. | 250 | |

b. | 200 | |

c. | 450 | |

d. | 300 |

## Question 183

### Question

MCQ▾In two- digit number, ten’s digit is twice the unit’s digit. The number formed by interchanging the digits is 36 less than the original number. The original number is ________

### Choices

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

a. | 48 | |

b. | 70 | |

c. | 72 | |

d. | 84 |