IMO Mathematics Olympiad Class 6: Questions 817  822 of 1049
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Question number: 817
» Algebra
Question
Misha travelled 2x km on towards the school, 3y km to tuition and 5z km towards home. The total distance covered by Misha by an algebraic expression is
Choices
Choice (4)  Response  

a.  km 

b.  km 

c.  km 

d.  km 

Question number: 818
» Symmetry and Practical Geometry
Question
An angle of is drawn using a pair of compass and ruler by
Choices
Choice (4)  Response  

a.  Bisecting and 

b.  Bisecting and the bisecting it again 

c.  Bisecting and 

d.  Bisecting 

Question number: 819
Question
If ________ liters: 25 liters = 15000 m: 120 km, then ________means
Choices
Choice (4)  Response  

a.  3.125 

b.  3 

c.  5.123 

d.  2.512 

Question number: 820
» Algebra
Question
Ages of two friends are in the ratio 2: 1. If the sum of their ages is 51, then their ages are respectively
Choices
Choice (4)  Response  

a.  30 yrs. 15 yrs. 

b.  20 yrs. 10 yrs. 

c.  34 yrs. 17 yrs. 

d.  34 yrs. 20 yrs. 

Question number: 821
» Algebra
Question
When Hina multiplies a certain number by 21 and adds 3 to the product, she gets 318. Find that number.
Choices
Choice (4)  Response  

a.  14 

b.  16 

c.  13 

d.  15 

Question number: 822
Question
A room is 12.5 m long and 8 m wide. A square carpet of side 8 m is laid on its floor. Find the area of the floor which is not carpeted?
Choices
Choice (4)  Response  

a.  63 sq. m 

b.  36 sq. m 

c.  36 m 

d.  63 m 
