# 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

a.

b.

c.

d.

## Question 604

### Question

MCQ▾

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

### Choices

Choice (4)Response

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

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

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