NSO Level 1 Science Olympiad (SOF) Class 10: Questions 10  14 of 986
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Question number: 10
Appeared in Year: 2011
Question
If both and belong to the set , then the number of equation of the form having real roots is ________.
Choices
Choice (4)  Response  

a.  12 

b.  7 

c.  6 

d.  10 

Question number: 11
Question
Four camels are tethered at four corners of a square plot of side so that the adjacent camels can just reach one another. There is a small circular pond of area at the centre. Find the ungrazed area.
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 12
Appeared in Year: 2011
Question
If , then ________
Choices
Choice (4)  Response  

a.  0 

b.  3 

c. 


d.  1 

Question number: 13
Question
A money lender finds that due to a fall in the rate of interest from, his yearly income diminishes by Rs. 100. His capital is ________.
Choices
Choice (4)  Response  

a.  Rs. 20000 

b.  Rs. 12000 

c.  Rs. 23500 

d.  Rs. 15800 

Question number: 14
Question
The figures X, Y and Z shows a sequence of folding of paper. Figure (Z) shows the manner in which folded paper has been cut. These three figures are followed by four answer figures. Which would most closely resemble the unfolded form of figure (Z)?
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 
