# IMO Level 1- Mathematics Olympiad (SOF) Class 9: Questions 773 - 777 of 931

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## Question 773

### Question

MCQ▾One quality of wheat at Rs. 15 per kg is mixed with another quality at a certain rate in the ratio. If the mixture so formed be worth Rs. 30 per kg, what is the rate per kg of the second quality of wheat?

### Choices

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

a. | Rs. 41 | |

b. | Rs. 39 | |

c. | Rs. 40 | |

d. | Rs. 42 |

## Question 774

### Question

MCQ▾A die is thrown once. The probability of getting an odd number is ________

### Choices

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

a. | 2 | |

b. | ||

c. | ||

d. | 0 |

## Question 775

### Question

MCQ▾The probability of guessing the correct answer to a certain test question is. If the probability of not guessing the correct answer to this question is , then x = ________

### Choices

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

a. | ||

b. | 5 | |

c. | ||

d. |

## Question 776

### Question

MCQ▾Three elements are given below. These elements may or may not have some inter-linkage. Each group of the elements may fit into one of the diagrams at (A), (B), (C), (D). You have to indicate which diagram depicts the correct relationship among “Honesty, Intelligence, Aptitude”.

### Choices

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

a. | ||

b. | ||

c. | ||

d. |

## Question 777

### Question

MCQ▾In the following list of letters how many D’s are followed by F but not preceded by E?

X M N D F P R S T D D F O C E D F B T E D K

### Choices

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

a. | 3 | |

b. | 1 | |

c. | 2 | |

d. | 4 |