IMO Mathematics Olympiad Class 8: Questions 85  91 of 1029
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Question number: 85
» Linear Equations in One Variable
Question
Solution of the equation is_.
Choices
Choice (4)  Response  

a. 


b.  1 

c. 


d. 


Question number: 86
» Linear Equations in One Variable
Question
Two angles in a triangle in the ratio 1: 3. If the sum of these angles is equal to the third angle, then the third angle is_.
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 87
» Linear Equations in One Variable
Question
There were only two candidates in an election. One got 65 % votes and was elected by a margin of 900 votes. The total number of voters were_.
Choices
Choice (4)  Response  

a.  1000 

b.  3000 

c.  2000 

d.  500 

Question number: 88
» Linear Equations in One Variable
Question
The denominator of a rational number is greater than its numerator by 2. If 2 is subtracted from the numerator and 3 is added to its denominator, the new number becomes. The original number is_.
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 89
» Linear Equations in One Variable
Question
Of a number added to of a same number make . The number is_.
Choices
Choice (4)  Response  

a.  1 

b.  5 

c.  2 

d.  7 

Question number: 90
» Linear Equations in One Variable
Question
The two consecutive multiplies of 2 whose sum is 30 are_.
Choices
Choice (4)  Response  

a.  12, 14 

b.  9, 11 

c.  11, 13 

d.  14, 16 

Question number: 91
» Linear Equations in One Variable
Question
Of a number subtracted from of a same number make . The number is_.
Choices
Choice (4)  Response  

a.  5 

b. 


c.  1 

d. 

