# IMO Level 2- Mathematics Olympiad (SOF) Class 9: Questions 23 - 26 of 109

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## Question 23

### Question

MCQ▾David invested certain amount in three different schemes A, B and C with the rate of interest p. a. , p. a. and p. a. respectively. If the total interest accrued in one year was ₹ and the amount invested in Scheme C was of the amount invested in Scheme A and of the amount invested in Scheme B, what was the amount invested in Scheme B?

### Choices

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

a. | ₹ | |

b. | ₹ | |

c. | ₹ | |

d. | None of the above |

## Question 24

### Question

MCQ▾What is the number of straight lines and the number of triangles in the given figure?

### Choices

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

a. | 10 straight lines and 34 triangles | |

b. | 9 straight lines and 35 triangles | |

c. | 9 straight lines and 34 triangles | |

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

## Question 25

### Question

MCQ▾Aman gave of the amount he had, to Rohan. Rohan in turn gave one-fourth of what he received from Aman to Sahil. After paying ₹ to the taxi driver out of the amount he got from Rohan, Sahil now has ₹ 600 left with him. How much amount did Aman have?

### Choices

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

a. | Data inadequate | |

b. | ₹ | |

c. | ₹ | |

d. | ₹ |

## Question 26

### Question

MCQ▾In a triangle ABC, O is the centre of in circle PQR, ∠ BAC = 65°, ∠ BCA = 75°, find ∠ ROQ.

### Choices

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

a. | ||

b. | ||

c. | can՚t be determined | |

d. | Both b. and a. are correct |