IMO Level 1 Mathematics Olympiad (SOF) Class 8: Questions 101  107 of 1040
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Question number: 101
» Linear Equations in One Variable
Question
Solve for
Choices
Choice (4)  Response  

a.  9 

b.  2 

c.  1 

d. 


Question number: 102
» 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 5 hours. The speed of the water is 6.0 km/hr. The speed of the boat in still water is_.
Choices
Choice (4)  Response  

a.  5 km/hr 

b.  9 km/hr 

c.  11 km/hr 

d.  19.5 km/hr 

Question number: 103
» Linear Equations in One Variable
Question
A number 125 is divided into two parts in the ratio 2: 3. The product of the number is_.
Choices
Choice (4)  Response  

a.  1550 

b.  3211 

c.  1250 

d.  3750 

Question number: 104
» Linear Equations in One Variable
Question
If the angles of a triangle are in the ratio 2: 4: 6, then the summation of the greatest and smallest angles is_.
Choices
Choice (4)  Response  

a. 


b.  60 

c. 


d. 


Question number: 105
» Linear Equations in One Variable
Question
Of a number divided by of a square of same number make . The number is_.
Choices
Choice (4)  Response  

a.  25 

b.  20 

c.  50 

d.  75 

Question number: 106
» Linear Equations in One Variable
Question
5 years ago a father’s age is 3 times greater to his son’s age. In present age of a son is 15 years then how old the father is?
Choices
Choice (4)  Response  

a.  47 years 

b.  44 years 

c.  40 years 

d.  35 years 

Question number: 107
» Linear Equations in One Variable
Question
Find two consecutive negative integer, whose product is 90.
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 

