# IMO Level 1- Mathematics Olympiad (SOF) Class 7: Questions 417 - 426 of 1022

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## Question 417

### Question

MCQ▾The CP of 20 pens is equal to the SP of 18 pens. The gain % is ________.

### Choices

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

a. | 11.11% | |

b. | 15.11% | |

c. | 13.24% | |

d. | 12% |

## Question 418

## Question 419

### Question

MCQ▾If , then the value of is ________.

### Choices

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

a. | Cannot be determined | |

b. | 1 | |

c. | 0 | |

d. | - 1 |

## Question 420

### Question

MCQ▾If , then the value of is ________.

### Choices

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

a. | -1 | |

b. | 0 | |

c. | Cannot be determined | |

d. | 1 |

## Question 421

### Question

MCQ▾In an election between two candidates, the candidate who gets 30 % of the votes polled is defeated by 15,000 votes. What is the number of votes polled by the winning candidates?

### Choices

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

a. | 26,250 | |

b. | 11,250 | |

c. | 30,000 | |

d. | 37,500 |

## Question 422

### Question

MCQ▾If , then the incorrect expression from the following is ________.

### Choices

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

a. | ||

b. | ||

c. | ||

d. |

## Question 423

## Question 424

## Question 425

### Question

MCQ▾By what number should we multiply so that the product may be equal to 64?

### Choices

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

a. | ||

b. | ||

c. | ||

d. |

## Question 426

### Question

MCQ▾Two numbers are 20 % and 25 % less than a third number respectively. How much % is the second number less than the first?

### Choices

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

a. | ||

b. | ||

c. | ||

d. |