IMO Level 1 Mathematics Olympiad (SOF) Class 8: Questions 802  807 of 1040
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Question number: 802
Question
If students of a class of strength 50 are boys, then the number of girls equals________.
Choices
Choice (4)  Response  

a.  40 

b.  30 

c.  20 

d.  10 

Question number: 803
Question
Present ages of Sameer and Anand is 5: 6 respectively. After 7 years this ratio becomes 6: 7 respectively. What is the present age of Sameer?
Choices
Choice (4)  Response  

a.  20 years 

b.  10 years 

c.  35 years 

d.  25 years 

Question number: 804
Question
Two tankers contain 300 liters and 100 liters of petrol respectively. The maximum capacity of container which can be used to measure exactly petrol of tank, is________.
Choices
Choice (4)  Response  

a.  25 liter 

b.  150 liter 

c.  100 liter 

d.  50 liter 

Question number: 805
Question
I gain 80 paise on Rs. 80. My gain percent is________.
Choices
Choice (4)  Response  

a.  2% 

b.  1% 

c.  3% 

d.  All of the above 

Question number: 806
Question
The age of Ram and Shyam are in ratio 3: 4. After 10 years, their age will be in ratio 11: 12. The age of Shyam is________.
Choices
Choice (4)  Response  

a.  1 years 

b.  3 years 

c.  2 years 

d.  5 years 

Question number: 807
Question
Two tankers contain 50 liters and 100 liters of petrol respectively. The maximum capacity of container which can be used to measure exactly petrol of tank, is________.
Choices
Choice (4)  Response  

a.  25 liter 

b.  50 liter 

c.  100 liter 

d.  Question does not provide sufficient data or is vague 
