# IMO Level 1- Mathematics Olympiad (SOF) Class 7: Questions 569 - 575 of 1022

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## Question 569

### Question

MCQ▾In the figure (not drawn to scale) , ABC is an equilateral triangle and ABD is an isosceles triangle with DA = DB, find x.

### Choices

Choice (4) | Response | |
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a. | ||

b. | ||

c. | ||

d. |

## Question 570

### Question

MCQ▾In a and is thrice that of . Then is ________.

### Choices

Choice (4) | Response | |
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a. | ||

b. | ||

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d. |

## Question 571

### Question

MCQ▾In the figure (not drawn to scale) , EFA is a right-angled triangle with and FGB is an equilateral triangle, find .

### Choices

Choice (4) | Response | |
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a. | 8 | |

b. | 16 | |

c. | 2 | |

d. | 20 |

## Question 572

### Question

MCQ▾What percent of 1 day is 3600 seconds?

### Choices

Choice (4) | Response | |
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a. | 5.16 % | |

b. | 4.17 % | |

c. | 4.15 % | |

d. | 14 % |

## Question 573

### Question

MCQ▾In the figure (not drawn to scale) , DAE, CBH and ACG are straight lines, and . Find x and y respectively.

### Choices

Choice (4) | Response | |
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a. | ||

b. | ||

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d. |

## Question 574

### Question

MCQ▾Each side of an equilateral triangle measures 16 cm. Its area is ________.

### Choices

Choice (4) | Response | |
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b. | ||

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d. |

## Question 575

### Question

MCQ▾In the figure (not drawn to scale) , ABCD is a quadrilateral, BED and AEC are straight lines and AE = ED. Find x.

### Choices

Choice (4) | Response | |
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a. | ||

b. | ||

c. | ||

d. |