IMO Level 1 Mathematics Olympiad (SOF) Class 8: Questions 853  857 of 1040
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Question number: 853
Question
The average age of 2 girls is 12 years and their ages are in proportion 3: 5, the age of youngest girl is________.
Choices
Choice (4)  Response  

a.  9 years 

b.  4 years 

c.  10 years 

d.  5 years 

Question number: 854
Appeared in Year: 2012
Question
Mr. Gupta drives at a speed of 60 km/hr for 6 hours from Chandigarh to Delhi. Mr. Verma drives his car at an average speed of 45 km/hr for the same journey. How much time does Mr. Verma take to complete the journey?
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 855
Question
Reena goes to a shop to buy a saree costing Rs. 500 including sales tax of 5%. He asks the shopkeeper to reduce the price of the watch so that he can save an amount equal to the sales tax. The reduction in the price of the saree is________.
Choices
Choice (4)  Response  

a.  Rs 20 

b.  Rs 12 

c.  Rs 25 

d.  All of the above 

Question number: 856
Question
A 20 m pole casts a 5 m shadow. If, at the same time of day, a building casts a shadow of 20 m, how high is the building?
Choices
Choice (4)  Response  

a.  50 m 

b.  20 m 

c.  60 m 

d.  80 m 

Question number: 857
Question
A stick 2 feet tall casts a shadow 5 feet long. At the same time, a tree nearby casts a shadow 60 feet long. What is the height, in feet, of the tree?
Choices
Choice (4)  Response  

a.  23 feet 

b.  25 feet 

c.  21 feet 

d.  24 feet 
