IMO Mathematics Olympiad (SOF) Class 8: Questions 852  856 of 1030
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Question number: 852
Question
The age of Mohit and Teena are in ratio 3: 7. After 11 years, their age will be in ratio 5: 7. The age of Teena and Mohit is________.
Choices
Choice (4)  Response  

a.  11 years, 4.7 years 

b.  11 years, 5 years 

c.  10 years, 3 years 

d.  Question does not provide sufficient data or is vague 

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.  5 years 

c.  10 years 

d.  4 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 25 

b.  Rs 12 

c.  Rs 20 

d.  None 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.  20 m 

b.  50 m 

c.  80 m 

d.  60 m 
