# IMO Level 1- Mathematics Olympiad (SOF) Class 7: Questions 572 - 578 of 1022

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## Question 572

### Question

MCQ▾What percent of 1 day is 3600 seconds?

### Choices

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

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 | |
---|---|---|

a. | ||

b. | ||

c. | ||

d. |

## Question 574

### Question

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

### Choices

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

a. | ||

b. | ||

c. | ||

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. |

## Question 576

### Question

MCQ▾A triangle whose lengths of sides are 5 cm, 12 cm and 13 cm. The triangle is ________.

### Choices

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

a. | Triangle is not formed | |

b. | Acute-angled triangle | |

c. | Obtuse-angled triangle | |

d. | Right-angled triangle |

## Question 577

### Question

MCQ▾One of the exterior angle of a triangle is , interior opposite angles are in ratio 3: 2. The angles of triangle are

### Choices

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

b. | ||

c. | ||

d. |

## Question 578

### Question

MCQ▾In the adjoining figure, ABCD is a square, BCF is an equilateral triangle and AEDF is a rhombus. Find .

### Choices

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

a. | ||

b. | ||

c. | ||

d. | None of the above |