# IMO Level 1- Mathematics Olympiad (SOF) Class 4: Questions 503 - 507 of 614

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## Question number: 503

### Question

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

15,30,60,120

Which could be the rule Simona used?

### Choices

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

a. | Subtract 6 | |

b. | Multiply 3 | |

c. | Multiply 2 | |

d. | Add 4 |

## Question number: 504

Appeared in Year: 2012

### Question

Looking at the adjoining figure, how many ancestors did Nipa had two generations ago?

### Choices

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

a. | 4 | |

b. | 14 | |

c. | 16 | |

d. | 2 |

## Question number: 505

Appeared in Year: 2012

### Question

Find the value of P and Q respectively.

### Choices

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

a. | 10600,15000 | |

b. | 11600,14400 | |

c. | 13400,14400 | |

d. | 12600,14800 |

## Question number: 506

### Question

39860,41360, ________, 44360

### Choices

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

a. | 42860 | |

b. | 48650 | |

c. | 30980 | |

d. | 40000 |

## Question number: 507

### Question

Select a figure from four alternatives which when placed in blank space of figure X would complete the pattern.

### Choices

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

a. | ||

b. | ||

c. | ||

d. |