# IMO Level 2- Mathematics Olympiad (SOF) Class 9: Questions 75 - 78 of 109

Access detailed explanations (illustrated with images and videos) to **109** questions. Access all new questions- tracking exam pattern and syllabus. View the complete topic-wise distribution of questions. *Unlimited Access, Unlimited Time, on Unlimited Devices*!

View Sample Explanation or View Features.

Rs. 150.00 -OR-

How to register? Already Subscribed?

## Question 75

Appeared in Year: *2014*

### Question

MCQ▾A heap of wheat is in the form of a cone, whose diameter is 10.5 m and height 7 m. Find the lateral surface area of wheat in the heap.

### Choices

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

a. | ||

b. | ||

c. | ||

d. | None of the above |

## Question 76

Appeared in Year: *2014*

### Question

MCQ▾Which of the following statements is INCORRECT?

### Choices

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

a. | A linear equation in two variables has infinitely many solutions. | |

b. | The graph of every linear equation in two variables is a straight line | |

c. | The graph of is a straight line parallel to the y-axis | |

d. | Every point on the graph of a linear equation in two variables is a solution of the linear equation. Every solution of the linear equation may not be a point on the graph of the linear equation. |

## Question 77

Appeared in Year: *2013*

### Question

MCQ▾Rahul told Anand, “Yesterday I defeated the only brother of the daughter of my grandmother.” Whom did Rahul defeat?

### Choices

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

a. | Brother | |

b. | Son | |

c. | Father-in-law | |

d. | Father |

## Question 78

Appeared in Year: *2013*

### Question

MCQ▾A bonus of ₹ is to be divided among three people so that Rohit receives twice as much as Sachin, who receives one-fifth as much as Gagan. How much money should Gagan receive?

### Choices

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

a. | ₹ | |

b. | ₹ | |

c. | ₹ | |

d. | ₹ |