# IMO Level 1- Mathematics Olympiad (SOF) Class 7: Questions 307 - 315 of 1022

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## Question 307

## Question 308

## Question 309

## Question 310

## Question 311

## Question 312

### Question

MCQ▾Salary of an officer increases every year by 20%. His salary in the year 2001 was Rs. 26640. What was his salary in 1999?

### Choices

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

a. | Rs. 19,028 | |

b. | Rs. 19,528 | |

c. | Rs. 20,000 | |

d. | Rs. 18,500 |

## Question 313

## Question 314

### Question

MCQ▾In an election between two candidates, the candidate who gets 45 % of the votes polled is defeated by 7,500 votes. What is the number of votes polled by the winning candidates?

### Choices

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

a. | 31,250 | |

b. | 41,250 | |

c. | 75,000 | |

d. | 35,000 |

## Question 315

### Question

MCQ▾P can do a piece of work in 9 days. Q is 50 % more efficient than P. The number of days it takes Q to do the same piece of work is ________.

### Choices

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

a. | ||

b. | 3 | |

c. | ||

d. | 6 |