# IMO Level 1- Mathematics Olympiad (SOF) Class 9: Questions 675 - 681 of 931

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## Question 675

### Question

MCQ▾How many 3’s is there which are immediately preceded by an even number as well as immediately followed by an odd number?

6 3 4 8 3 3 7 2 3 5 3 3 3 4 3 9

### Choices

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

a. | 2 | |

b. | 4 | |

c. | 3 | |

d. | 1 |

## Question 676

### Question

MCQ▾A die is thrown once. The probability of getting a number greater than 3 is ________

### Choices

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

a. | ||

b. | 0 | |

c. | ||

d. |

## Question 677

### Question

MCQ▾The number of values of k for which the system of equations , has the solutions is________

### Choices

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

a. | and | |

b. | and | |

c. | and | |

d. | and |

## Question 678

### Question

MCQ▾In a certain code language-

(1) ‘put tir fin’ means ‘fabulous Juicy Vegetable’.

(2) ‘tie dip sig’ means ‘superb white beans’.

(3) ‘sig lon fin’ means ‘beans and vegetable’.

Which word in that language means ‘and’?

### Choices

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

a. | sig | |

b. | put | |

c. | dip | |

d. | lon |

## Question 679

### Question

MCQ▾If has as a factor and leaves a remainder 2 when divided by, find the values of ‘a’ and ‘b’.

### Choices

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

a. | ||

b. | ||

c. | ||

d. |

## Question 680

## Question 681

### Question

MCQ▾The average of n numbers is A. if is replaced by is replaced by , …, then the new average is ________

### Choices

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

a. | ||

b. | ||

c. | ||

d. |