# IMO Level 1- Mathematics Olympiad (SOF) Class 7: Questions 388 - 394 of 1022

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## Question number: 388

### Question

By what number should be divided so that the quotient is ?

### Choices

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

a. |
| |

b. | 10 | |

c. |
| |

d. | 6 |

## Question number: 389

### Question

Two numbers are in the ratio of 1: 2. If 7 be added to both, their ratio changes to 3: 5. The greater number is ________.

### Choices

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

a. | 32 | |

b. | 28 | |

c. | 25 | |

d. | 36 |

## Question number: 390

### Question

If then a =?

### Choices

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

a. | 5 | |

b. | 4 | |

c. | 1 | |

d. | 9 |

## Question number: 391

### Question

By selling a cup for Rs. 180, a man loses of his outlay. If it is sold for Rs. 255, what is the gain percent?

### Choices

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

a. | 19.45% | |

b. | 13.33% | |

c. | 13.5% | |

d. | 22% |

## Question number: 392

### Question

Two numbers are in the ratio of 2: 3. If 9 be subtracted from both, their ratio changes to 1: 2. The greater number is ________.

### Choices

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

a. | 28 | |

b. | 27 | |

c. | 18 | |

d. | 38 |

## Question number: 393

### Question

A man purchased a bag of sugar containing 55 kg for Rs. 225. He sold it at the rate of Rs. 5.25 per kg. Then the profit or loss in % is ________.

### Choices

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

a. | 16.67 % gain | |

b. | 16.67 % loss | |

c. | 12.56 % gain | |

d. | 12.56 % loss |

## Question number: 394

### Question

The CP of 25 articles is equal to the SP of 20 articles. The gain % is ________.

### Choices

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

a. | 50% | |

b. | 30% | |

c. | 20% | |

d. | 25% |