IMO Mathematics Olympiad Class 8: Questions 256  263 of 1029
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Question number: 256
Question
When the price of a product was decreased by 20%, the number sold increased by 60%, what was the increase on the total revenue?
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 257
» Quadrilaterals and Practical Geometry
Question
Area of a kite is________.
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 258
Question
of 350 + 35 % of 32 = 34, then the value of x is________.
Choices
Choice (4)  Response  

a.  6.51 

b.  5.45 

c.  5.00 

d.  6.00 

Question number: 259
» Quadrilaterals and Practical Geometry
Question
If ABCD is an isosceles trapezium, is equal to________.
Choices
Choice (4)  Response  

a. 


b. 
 
c. 


d. 


Question number: 260
» Quadrilaterals and Practical Geometry
Question
PQRS is a quadrilateral. If PR and QS bisect each other, then PQRS must be________.
Choices
Choice (4)  Response  

a.  Rhombus 

b.  Parallelogram 

c.  Square 

d.  Rectangle 

Question number: 261
Question
In what time will Rs. 100 amount to Rs. 121 at 10 % p. a. , if the interest is compounded annually?
Choices
Choice (4)  Response  

a.  5 

b.  4 

c.  2 

d.  3 

Question number: 262
Question
There is 50 % increase in an amount in 5 years at simple interest. What will be the compound interest of Rs. 10, 000 after 2 years at the same rate?
Choices
Choice (4)  Response  

a.  20000 Rs. 

b.  3200 Rs. 

c.  2100 Rs. 

d.  3100 Rs. 

Question number: 263
Question
If a number x is 20 % less than another number y and y is 20 % more than 125, then x is equal to________.
Choices
Choice (4)  Response  

a.  120 

b.  125 

c.  140 

d.  150 
