# IMO Level 1- Mathematics Olympiad (SOF) Class 9: Questions 126 - 130 of 931

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## Question 126

### Question

MCQ▾In the figure, a is greater than b by one fifth of a right angle. Then a, b respectively are________

### Choices

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

a. | 99˚, 81˚ | |

b. | 50˚, 120˚ | |

c. | 130˚, 60˚ | |

d. | 120˚, 110˚ |

## Question 127

## Question 128

### Question

MCQ▾In the adjoining figure, circles with centres at L, M and N each have a radius of 2 units and are placed as shown here. If PQRS is the smallest rectangle that will enclose the 3 circles, what is the area of PQRS?

### Choices

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

a. | 12 sq. units | |

b. | 16 sq. units | |

c. | 8 sq. units | |

d. | 32 sq. units |

## Question 129

### Question

MCQ▾The value of x in the given figure is ________

### Choices

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

a. | 116˚ | |

b. | 118˚ | |

c. | 114˚ | |

d. | 120˚ |

## Question 130

### Question

MCQ▾In the given figure, then value of x is________.

### Choices

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

a. | 110˚ | |

b. | 112˚ | |

c. | 105˚ | |

d. | 115˚ |