# IMO Level 1- Mathematics Olympiad (SOF) Class 4: Questions 547 - 553 of 614

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## Question number: 547

Appeared in Year: 2012

### Question

Find the value of Y to make the expression true.

### Choices

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

a. | 20 | |

b. | 100 | |

c. | 2 | |

d. | 10 |

## Question number: 548

Appeared in Year: 2012

### Question

12 friends met at a party. Each friend shook hands with each other exactly once. Number of handshakes took place is ________.

### Choices

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

a. | 50 | |

b. | 66 | |

c. | 40 | |

d. | 45 |

## Question number: 549

### Question

Javed used a rule to get each new number in the pattern shown.

6,18,54,162

Which could be the rule Javed used?

### Choices

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

a. | Multiply 2 | |

b. | Multiply 3 | |

c. | Subtract 6 | |

d. | Add 4 |

## Question number: 550

Appeared in Year: 2012

### Question

Where will the minute hand point after 1 hour 45 minutes from the time shown on the clock?

### Choices

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

a. | 12 | |

b. | 9 | |

c. | 6 | |

d. | 1 |

## Question number: 551

### Question

The number in the pattern increase by the same amount each time. What is the next number in this pattern?

### Choices

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

a. | 30 | |

b. | 28 | |

c. | 24 | |

d. | 32 |

## Question number: 552

» Geometry

### Question

How many lines of symmetry does the figure below have?

### Choices

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

a. | 4 | |

b. | 5 | |

c. | 2 | |

d. | 6 |

## Question number: 553

» Geometry

### Question

Which line in the diagram is the correct line of symmetry?

### Choices

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

a. | MQ | |

b. | TP | |

c. | NR | |

d. | SO |