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

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## Question 623

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### 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

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### 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

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### Question

MCQ▾

Niharika earns Rs. 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.Rs. 962.00
b.Rs. 936.00
c.Rs. 900.00
d.Rs. 897.00

## Question 626

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### 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

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### 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

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### Question

MCQ▾

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

### Choices

Choice (4)Response
a.Rs. 900
b.Rs. 1000
c.Rs. 700
d.Rs. 750