IMO Mathematics Olympiad (SOF) Class 9: Questions 787  794 of 918
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Question number: 787
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Factors of =
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Question number: 788
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If 36 men can do a certain piece of work in 25 days, then 15 men will do it in ________
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Question number: 789
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The value of =________
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Question number: 790
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, then
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Question number: 791
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A card is drawn at random from a well shuffled pack of 52 cards. The probability that the cards drawn in neither a red card nor a queen are ________
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Question number: 792
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Two dice are thrown simultaneously. The odds against getting the sum 6 is________
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Question number: 793
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Aparna cut a cake in two equal parts and one of these two pieces is again cut into equal parts. Each small parts is of 20 grams. If there are seven parts of the whole cake, what was the weight of the original cake?
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Choice (4)  Response  

a.  140 grams 

b.  280 grams 

c.  240 grams 

d.  300 grams 

Question number: 794
Question
A man purchased two clocks X and Y at a total cost Rs. 1000. He sells X at profit and Y at a loss of and gets the same selling price for both the clocks. What are the purchasing prices of X and Y respectively?
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Choice (4)  Response  

a.  Rs. 125, Rs. 736.25 

b.  Rs. 385.95, Rs. 245.36 

c.  Rs. 263.16, Rs. 736.84 

d.  Rs. 266, Rs. 600 
