IMO Level 1 Mathematics Olympiad (SOF) Class 7: Questions 960  964 of 1022
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Question number: 960
Question
If is a perfect square, then the value of k is ________.
Choices
Choice (4)  Response  

a.  9  
b.  10  
c.  0  
d.  5 
Question number: 961
Question
The value of a TV depreciates every year by 3%. If the present value of the TV be Rs. 56,000, what will be its value after two years?
Choices
Choice (4)  Response  

a.  Rs. 52,490  
b.  Rs. 54,560  
c.  Rs. 52,690  
d.  Rs. 53,890 
Question number: 962
Question
The area of two squares are in the ratio 16: 9. Then the ratio of their perimeter is ________.
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 963
Question
If the value of equals to 16, when , then the value of ‘a’ is ________.
Choices
Choice (4)  Response  

a.  41  
b.  51  
c.  31  
d.  65 
Question number: 964
Question
A field is 75 m long and wide. It has two roads in its center of uniform width of 10 m, one parallel to its length and the other parallel to its breadth. Find the cost of leveling the roads at per square meter.
Choices
Choice (4)  Response  

a.  Rs. 1125  
b.  Rs. 1975  
c.  Rs. 2800  
d.  Rs. 2075 