IMO Mathematics Olympiad Class 6: Questions 800  807 of 912
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Question number: 800
» Algebra
Question
Thrice of a number is added to 25, then the sum is 40. The number is
Choices
Choice (4)  Response  

a.  0  
b.  5  
c.  6  
d.  2 
Question number: 801
Question
What number should be subtracted from each of the numbers 54, 71, 75 and 99 so that the remainders may be proportional?
Choices
Choice (4)  Response  

a.  2  
b.  1  
c.  3  
d.  6 
Question number: 802
Question
The number of benches, each measuring 80 dm by 20 dm are required to arrange in a lobby of 120 m by 90 m is
Choices
Choice (4)  Response  

a.  650  
b.  457  
c.  575  
d.  675 
Question number: 803
Question
The length and breadth of a rectangular school ground are 3200 cm and 2600 cm respectively, then its area in hectares is
Choices
Choice (4)  Response  

a.  83200  
b.  832  
c.  8.32  
d.  0.0832 
Question number: 804
» Algebra
Question
Simplify: .
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 805
» Symmetry and Practical Geometry
Question
Which of the following alphabets has no line of symmetry?
Choices
Choice (4)  Response  

a.  Q  
b.  O  
c.  E  
d.  F 
Question number: 806
Question
If the breadth of rectangle is three times the length and area is , then length and breadth are respectively________.
Choices
Choice (4)  Response  

a.  39 cm, 13cm  
b.  18 cm, 36 cm  
c.  15 cm, 28 cm  
d.  13 cm, 39 cm 
Question number: 807
» Symmetry and Practical Geometry
Question
To draw an angle of using a pair of compass and a ruler
Choices
Choice (4)  Response  

a.  Bisect angle between and  
b.  Bisect angle between and  
c.  Bisect angle between and  
d.  None of the above 