# IMO Level 1- Mathematics Olympiad (SOF) Class 7: Questions 276 - 282 of 1022

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## Question 276

Appeared in Year: *2012*

### Question

MCQ▾Jasmine and Sonia had 60 phone cards. Jasmine had thrice as many phone cards as Sonia. How many phone cards did jasmine have?

### Choices

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

a. | 30 | |

b. | 45 | |

c. | 20 | |

d. | 15 |

## Question 277

### Question

MCQ▾If a, b, c are reals such that and, find the numerical values of a, b and c.

### Choices

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

a. | 2,3, | |

b. | 3, 4 | |

c. | 2, | |

d. | 2,2, |

## Question 278

### Question

MCQ▾Charmi and Chesti had 777 phone cards. Chesti had twice as many phone cards as Charmi. How many phone cards did Chesti have?

### Choices

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

a. | 258 | |

b. | 259 | |

c. | 459 | |

d. | 358 |

## Question 279

### Question

MCQ▾Rahul and Chirag had 5184 phone cards. Rahul had seven times as many phone cards as Chirag. How many phone cards did Rahul have?

### Choices

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

a. | 458 | |

b. | 269 | |

c. | 858 | |

d. | 648 |

## Question 280

### Question

MCQ▾What is the angle between the hands of clock at 4 o’clock?

### Choices

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

a. | ||

b. | 150° | |

c. | ||

d. |

## Question 281

### Question

MCQ▾In the figure, AB is parallel to CF. DE is a straight line. Find.

### Choices

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

a. | ||

b. | ||

c. | 108° | |

d. |

## Question 282

### Question

MCQ▾When and , then which is true?

### Choices

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

a. | is divisible by 3 | |

b. | is divisible by 3 | |

c. | is divisible by 3 | |

d. | is divisible by 3 |