# IMO Level 1- Mathematics Olympiad (SOF) Class 7: Questions 642 - 648 of 1022

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## Question 642

### Question

MCQ▾

The value of a machine depreciates every year by 5 % . If the present value of the machine be ₹ 100,000, what will be its value after two years?

### Choices

Choice (4)Response

a.

₹ 99,000

b.

₹ 99,250

c.

₹ 100,050

d.

₹ 90,250

## Question 643

### 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. A Rhombus, Trapezium and Triangle

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question 644

### Question

MCQ▾

If the area of a rectangle with width a is equal to the area of a square with side a, then the length of the rectangle is ________.

### Choices

Choice (4)Response

a.

a

b.

2a

c.

d.

3a

## Question 645

### Question

MCQ▾

In the figure (not drawn to scale) , ABC and DEB are triangles and FC = CE, find x. Two Triangles ABC and DEB

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question 646

### Question

MCQ▾

If a, b and c are the sides of a triangle, then ________.

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question 647

### Question

MCQ▾

In the given figure, if AD = BC and , then ________. A Parallelogram ABCD

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question 648

### Question

MCQ▾

In the adjoining figure, ABC is an isosceles triangle in which AB = AC. If E and F be the midpoints of AC and AB respectively, then BE is equal to ________. An Isosceles Triangle ABC

### Choices

Choice (4)Response

a.

BF

b.

CF

c.

CE

d.

AB