# IMO Level 1- Mathematics Olympiad (SOF) Class 7: Questions 623 - 628 of 1022

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## Question 623

### Question

MCQ▾

In the figure (not drawn to scale) , ABC is an equilateral triangle and BDC is an isosceles triangle with DB = DC, find y.

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question 624

### Question

MCQ▾

If the two legs of a right angled triangle are equal and the square of the hypotenuse is 64 , then the length of each leg is ________.

### Choices

Choice (4)Response

a.

cm

b.

cm

c.

cm

d.

8 cm

## Question 625

### Question

MCQ▾

Niharika earns ₹ 1200 per week working at a part – time job. After taxes, her pay cheque is only 78 % of what she earned. What is the amount payable to Niharika?

### Choices

Choice (4)Response

a.

₹ 962.00

b.

₹ 936.00

c.

₹ 900.00

d.

₹ 897.00

## Question 626

### Question

MCQ▾

If two sides of an isosceles triangle are 4 cm and 10 cm, then the length of the third side is ________.

### Choices

Choice (4)Response

a.

3 cm

b.

4 cm

c.

9 cm

d.

10 cm

## Question 627

### Question

MCQ▾

In the figure (not drawn to scale) , ABC and DEF are triangle, CA is parallel to FD and CFBE is a straight line. Find the value of .

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question 628

### Question

MCQ▾

A man buys a radio for ₹ 600 and sells it at a gain of 25 % . He sold the radio for ________.

### Choices

Choice (4)Response

a.

₹ 900

b.

₹ 1000

c.

₹ 700

d.

₹ 750

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