# IMO Level 1- Mathematics Olympiad (SOF) Class 7: Questions 550 - 554 of 1022

Access detailed explanations (illustrated with images and videos) to **1022** 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. 450.00 -OR-

How to register? Already Subscribed?

## Question 550

### Question

MCQ▾There are 6 stones in a box with numbers 1 to 6 marked on them. What is the probability of drawing a stone with number 6?

### Choices

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

a. | ||

b. | ||

c. | ||

d. | 1 |

## Question 551

### Question

MCQ▾The total cost of 5 books and 3 bags is Rs. 2500. If one book costs Rs. 25 less than one bag, find the price of each book and bag respectively.

### Choices

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

a. | Rs. 320, Rs. 380 | |

b. | Rs. 303, Rs. 328 | |

c. | Rs. 300, Rs. 320 | |

d. | Rs. 330, Rs. 308 |

## Question 552

### Question

MCQ▾Three bells toll at intervals of 12 seconds, 16 seconds and 18 seconds respectively. They start ringing together at a particular time. They next toll together after ________.

### Choices

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

a. | 2.8 minutes | |

b. | 2.4 minutes | |

c. | 3.2 minutes | |

d. | 1.2 minutes |

## Question 553

### Question

MCQ▾Equal sums of Rs. 3400 were lent to Kajal and Misha at 2 % per annum for a period of 3 years and 5 years respectively. Find the difference of the interest paid by Kajal and Misha.

### Choices

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

a. | Rs. 167 | |

b. | Rs. 260 | |

c. | Rs. 136 | |

d. | Rs. 366 |

## Question 554

### Question

MCQ▾When Ravesh travelled 45 km he found that of the entire journey was still left. The length of the journey left is

### Choices

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

a. | 67.5 km | |

b. | 45 km | |

c. | 150 km | |

d. | 112.5 km |