# IMO Level 1- Mathematics Olympiad (SOF) Class 7: Questions 603 - 609 of 1022

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## Question 603

### 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. | ||

c. | ||

d. |

## Question 604

### Question

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

### Choices

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

b. | ||

c. | ||

d. |

## Question 605

### Question

MCQ▾What percent of 1 year is 255 days (take year as normal year) ?

### Choices

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

a. | 85 % | |

b. | 65.5 % | |

c. | 70.2 % | |

d. | 69.9 % |

## Question 606

### Question

MCQ▾Height and base of an isosceles triangle measures 12 cm and 18 cm. Its area is ________.

### Choices

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

b. | ||

c. | ||

d. |

## Question 607

### Question

MCQ▾In the figure (not drawn to scale) , ABCD is a rhombus, FHI is an equilateral triangle and CEFG is a trapezium with EC parallel to FG, DCFI, BCG and GFH are straight lines. Find x and y respectively.

### Choices

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

b. | ||

c. | ||

d. |

## Question 608

### Question

MCQ▾ABC is an isosceles triangle with and AD is altitude, then ________.

### Choices

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

a. | ||

b. | ||

c. | ||

d. | None of the above |

## Question 609

### Question

MCQ▾XYZ is an isosceles triangle with and XW is altitude, then ________.

### Choices

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

a. | ||

b. | ||

c. | ||

d. | None of the above |