IMO Level 1 Mathematics Olympiad (SOF) Class 6: Questions 818  824 of 1059
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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 the bisecting it again 

b.  Bisecting and 

c.  Bisecting 

d.  Bisecting and 

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

a.  5.123 

b.  3 

c.  2.512 

d.  3.125 

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.  34 yrs. 17 yrs. 

b.  34 yrs. 20 yrs. 

c.  30 yrs. 15 yrs. 

d.  20 yrs. 10 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.  16 

b.  15 

c.  14 

d.  13 

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 

Question number: 823
Question
Share of A, B and C is ________, if Rs. 4340 is divided in .
Choices
Choice (4)  Response  

a.  Rs. 840, Rs. 2100, Rs. 1400 

b.  Rs. 1400, Rs. 840, Rs. 2100 

c.  Rs. 2100, Rs. 1400, Rs. 840 

d.  Rs. 1400, Rs. 2100, Rs. 840 

Question number: 824
» Algebra
Question
If , then the value of x is
Choices
Choice (4)  Response  

a.   2 

b.   6 

c.  0 

d.  + 6 
