# IMO Level 1- Mathematics Olympiad (SOF) Class 8: Questions 267 - 273 of 1040

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## Question number: 267

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MCQ▾

### Question

A book was sold for Rs. 30.00 with a profit of 5%. If it were sold for Rs. 30.50, then what would have been the percentage of profit or loss?

### Choices

Choice (4)Response

a.

10%

b.

6.75%

c.

11.04%

d.

6.00%

## Question number: 268

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MCQ▾

### Question

To construct a quadrilateral uniquely, it is necessary to have the knowledge of at least________independent elements.

### Choices

Choice (4)Response

a.

Five

b.

Four

c.

Three

d.

Two

## Question number: 269

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MCQ▾

### Choices

Choice (4)Response

a.

Three

b.

Four

c.

Two

d.

Five

## Question number: 270

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MCQ▾

### Question

The number of sides of a regular polygon whose each exterior angle has a measure of is________.

### Choices

Choice (4)Response

a.

6

b.

8

c.

3

d.

10

## Question number: 271

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MCQ▾

### Question

What sum lent out at C. I. will amount to Rs. 900 in 2 years at 20 % p. a. interest?

### Choices

Choice (4)Response

a.

700 Rs.

b.

550 Rs.

c.

625 Rs.

d.

600 Rs.

## Question number: 272

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MCQ▾

### Question

Rice is bought at Rs. 30.50 per kg and sold at Rs. 32.00 per kg. The gain percent is________.

### Choices

Choice (4)Response

a.

3.12%

b.

4.70%

c.

3.00%

d.

4.91%

## Question number: 273

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MCQ▾

### Question

Given below steps of construct a quadrilateral ABCD where AB = 5.2 cm, BC = 4.0 cm, CD = 4.2 cm, AD = 3.3 cm and which of the following is a wrong step?

(P) Step 1: Draw AB = 5.2cm and construct

(Q) Step 2: With A as center and radius AD = 3.3 cm, cut off AD = 3.3 cm along AX.

(R) Step 3: Join BD. With D as center and radius DC = 4.2 cm, draw an arc.

(S) Step 4: With B as center and radius BC = 4.0 cm, draw an arc to cut the arc drawn in above step at C. Join BC, CD to obtain the required quadrilateral ABCD.

### Choices

Choice (4)Response

a.

S

b.

P

c.

R

d.

Q

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