IMO Level 1- Mathematics Olympiad (SOF) Class 8: Questions 278 - 285 of 1040

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Question number: 278

» Quadrilaterals and Practical Geometry

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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.

10

b.

8

c.

6

d.

3

Question number: 279

» Comparing Quantities

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MCQ▾

Question

Sugar is bought at Rs. 15.00 per kg and sold at Rs. 14.00 per kg. The loss percent is________.

Choices

Choice (4)Response

a.

3.00%

b.

3.12%

c.

6.66%

d.

6.00%

Question number: 280

» Quadrilaterals and Practical Geometry

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MCQ▾

Question

Four angles of a quadrilateral are in the ratio 4: 8: 16: 32. The greatest angle is________.

Choices

Choice (4)Response

a.

144

b.

120

c.

150

d.

192

Question number: 281

» Quadrilaterals and Practical Geometry

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MCQ▾

Question

The exterior angle of a regular polygon is one-half of its interior angle. How many sides has the polygon?

Choices

Choice (4)Response

a.

5

b.

6

c.

8

d.

4

Question number: 282

» Quadrilaterals and Practical Geometry

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MCQ▾

Question

Sum of the exterior angle of quadrilateral is________.

Choices

Choice (4)Response

a.

360

b.

120

c.

450

d.

180

Question number: 283

» Comparing Quantities

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MCQ▾

Question

The simple interest at y % for y years will be Rs. y on a sum of________.

Choices

Choice (4)Response

a.

Rs.

b.

Rs.

c.

Rs.

d.

Rs.

Question number: 284

» Comparing Quantities

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MCQ▾

Question

The simple interest at a % for a years will be Rs. 2a on a sum of________.

Choices

Choice (4)Response

a.

Rs.

b.

Rs.

c.

Rs.

d.

Rs.

Question number: 285

» Quadrilaterals and Practical Geometry

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MCQ▾

Question

The exterior angle of a regular polygon is one-fifth of its interior angle. How many sides has the polygon?

Choices

Choice (4)Response

a.

4

b.

10

c.

8

d.

12

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