IMO Level 1 Mathematics Olympiad (SOF) Class 9: Questions 837  843 of 929
Access detailed explanations (illustrated with images and videos) to 929 questions. Access all new questions we will add tracking exampattern and syllabus changes. Subscription can be renewed yearly absolutely FREE! View Sample Explanation or View Features.
Rs. 450.00 or
How to register?
Question number: 837
Question
If 20 men working 5 hours a day for 10 days can complete a job, how many men working 10 hours a day for 5 days will be needed?
Choices
Choice (4)  Response  

a.  20 

b.  65 

c.  50 

d.  25 

Question number: 838
Question
A fan is listed at Rs. 650, with a discount of what additional discount must be offered to the customer to bring the net price to Rs. 452?
Choices
Choice (4)  Response  

a. 


b. 


c. 


d.  Question does not provide sufficient data or is vague 

Question number: 839
Question
Two dice are thrown simultaneously, the odds in favour of getting the sum 5 is________
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 840
» Analytical Reasoning and Logical Reasoning
Question
B is the brother of R. J is sister of R. A is brother of B. How is R related to A?
Choices
Choice (4)  Response  

a.  Brother 

b.  Brother or Sister 

c.  Sister 

d.  Question does not provide sufficient data or is vague 

Question number: 841
Question
If and , then value of is________.
Choices
Choice (4)  Response  

a.  770 

b.  555 

c.  227 

d.  115 

Question number: 842
Question
The median of the observation 2,1, 12,29,25,12,10,4, 5 is ________
Choices
Choice (4)  Response  

a.  15 

b.  12 

c.  10 

d.  25 

Question number: 843
Question
A man purchased two clocks P and Q at a total cost Rs. 800. He sells P at profit and Q at a loss of and gets the same selling price for both the clocks. What are the purchasing prices of P and Q respectively?
Choices
Choice (4)  Response  

a.  Rs. 275, Rs. 425 

b.  Rs. 266.67, Rs. 533.33 

c.  Rs. 250.65, Rs. 200.22 

d.  Rs. 360, Rs. 850 
