IMO Mathematics Olympiad (SOF) Class 8: Questions 277  284 of 1029
Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 1029 questions. Access all new questions we will add tracking exampattern and syllabus changes. View Sample Explanation or View Features.
Rs. 450.00 or
Question number: 277
Question
A book was sold for Rs. 25.50 with a profit of 10%. If it were sold for Rs. 25.75, then what would have been the percentage of profit or loss?
Choices
Choice (4)  Response  

a.  profit, 11% 

b.  Profit, 11.04% 

c.  Loss, 12% 

d.  Loss, 10% 

Question number: 278
» Quadrilaterals and Practical Geometry
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.  6 

c.  8 

d.  3 

Question number: 279
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
Question
Four angles of a quadrilateral are in the ratio 4: 8: 16: 32. The greatest angle is________.
Choices
Choice (4)  Response  

a.  150 

b.  144 

c.  192 

d.  120 

Question number: 281
» Quadrilaterals and Practical Geometry
Question
The exterior angle of a regular polygon is onehalf of its interior angle. How many sides has the polygon?
Choices
Choice (4)  Response  

a.  5 

b.  8 

c.  4 

d.  6 

Question number: 282
» Quadrilaterals and Practical Geometry
Question
Sum of the exterior angle of quadrilateral is________.
Choices
Choice (4)  Response  

a.  120 

b.  450 

c.  360 

d.  180 

Question number: 283
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
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. 
