IMO Mathematics Olympiad (SOF) Class 8: Questions 75  81 of 1030
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Question number: 75
» Linear Equations in One Variable
Question
Solution of the equation is_.
Choices
Choice (4)  Response  

a.  5 

b.  0 

c.  5 

d.  1 

Question number: 76
» Linear Equations in One Variable
Question
A number 100 is divided into two parts in the ratio 3: 2. The product of the number is_.
Choices
Choice (4)  Response  

a.  2400 

b.  2700 

c.  1500 

d.  2600 

Question number: 77
» Linear Equations in One Variable
Question
A motor boat covers a certain distance downstream in a river in 1 hours. It covers the same distance upstream in 1 and half hours. The speed of the water is 2 km/hr. The speed of the boat in still water is_.
Choices
Choice (4)  Response  

a.  10 km/hr 

b.  12 km/hr 

c.  11 km/hr 

d.  5 km/hr 

Question number: 78
» Linear Equations in One Variable
Question
The perimeter of a rectangle is numerically equal to the area of rectangle. If width of rectangle is cm, then its length is_.
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 79
» Linear Equations in One Variable
Question
Milan has Rs. 66 in the form of of fifty paise and twenty five paise coins in the ratio of 8: 6, the number of coins of each kind are_.
Choices
Choice (4)  Response  

a.  88,72 

b.  96,73 

c.  90,50 

d.  96,72 

Question number: 80
» Linear Equations in One Variable
Question
Archana’s age after 15 years wii be 5 times his age 5 years back. What is the present age of archna?
Choices
Choice (4)  Response  

a.  5 years 

b.  20 years 

c.  12 years 

d.  10 years 

Question number: 81
» Linear Equations in One Variable
Question
The sum of two numbers is 12 and difference of their squares is 12. The difference of the numbers is
Choices
Choice (4)  Response  

a.  3 

b.  0 

c.  1 

d.  2 
