# 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

a.

b.

c.

d.

## Question 570

### Question

MCQ▾

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

### Choices

Choice (4)Response

a.

b.

c.

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

a.

8

b.

16

c.

2

d.

20

## 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

a.

b.

c.

d.