# IMO Level 1- Mathematics Olympiad (SOF) Class 9: Questions 781 - 787 of 931

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## Question 781

### Question

MCQ▾The simple interest on a sum of money at per annum for 6 years is half the sum. The sum is ________

### Choices

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

a. | Rs. 8000 | |

b. | Rs. 6000 | |

c. | Data inadequate | |

d. | Rs. 4800 |

## Question 782

### Question

MCQ▾Given that is a solution of . The other solutions are ________.

### Choices

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

a. | ||

b. | ||

c. | 5 | |

d. |

## Question 783

### Question

MCQ▾Cards marked with the numbers 2 to 101 are placed in a box and mixed thoroughly. One card is drawn from this bag. The probability that the number which is a perfect square is ________

### Choices

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

a. | ||

b. | ||

c. | ||

d. |

## Question 784

### Question

MCQ▾If a point R lies between two points P and Q such that PR = QR, then PR = ________

### Choices

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

a. | ||

b. | ||

c. | ||

d. |

## Question 785

### Question

MCQ▾A shopkeeper earns a profit of on selling a book at discount on the printed price. The ratio of the cost price and the printed price of the book is ________

### Choices

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

a. | ||

b. | ||

c. | ||

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

## Question 786

## Question 787

### Question

MCQ▾If 36 men can do a certain piece of work in 25 days, then 15 men will do it in ________

### Choices

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

a. | ||

b. | ||

c. | ||

d. |