# IMO Level 1- Mathematics Olympiad (SOF) Class 8: Questions 847 - 851 of 1042

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## Question 847

### Question

MCQ▾Nirav has built a cubical water tank with lid for his house, with each outer edge 1.5 m long. He gets the outer surface of the tank excluding the base, covered with square tiles of side 25 cm. So, how many tiles are required for the tank?

### Choices

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

a. | 100 | |

b. | 160 | |

c. | 120 | |

d. | 180 |

## Question 848

### Question

MCQ▾Pratik bought some packages of pencils. He bought three packages containing 5 pencils and n packages containing 10 pencils each. Which one of the following expression could be used to find the total number of pencils that Pratik bought?

### Choices

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

a. | ||

b. | ||

c. | ||

d. | Question does not provide sufficient data or is vague |

## Question 849

### Question

MCQ▾A girl 5 feet casts a shadow 60 inches long. At the same time a telephone pole casts a 300 inches shadow. Which proportions cannot be used to find the height of the telephone pole?

### Choices

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

a. | ||

b. | ||

c. | ||

d. | None of the above |

## Question 850

### Question

MCQ▾A vessel contain a mixture of milk and water in the ratio 5: 2. Which of the following ratio is equivalent to 5: 2?

### Choices

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

a. | ||

b. | ||

c. | ||

d. | None of the above |

## Question 851

### Question

MCQ▾The age of Mohit and Teena are in ratio 3: 7. After 11 years, their age will be in ratio 5: 7. The age of Teena and Mohit is________.

### Choices

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

a. | 10 years, 3 years | |

b. | 11 years, 4.7 years | |

c. | 11 years, 5 years | |

d. | All of the above |