IMO Mathematics Olympiad Class 10: Questions 347  352 of 699
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Question number: 347
Question
What will be the area of the rhombus ?
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 348
Question
The mean of 20 observations is . By error, one observation was noted as was misread as 42. Then the correct mean is ________
Choices
Choice (4)  Response  

a.  26.5  
b.  28.3  
c.  29.5  
d.  21.5 
Question number: 349
Question
A Motor maintains an average speed of 60 km/hr while going from P to Q and maintains an average speed of 90 km/hr while coming back from Q to P. the average speed of the motor is ________.
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 350
» Triangle, Circle & Constructions
Question
In the figure , then is ________
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 351
Question
In what ratio is the line segment joining the points is divided by Yaxis?
Choices
Choice (4)  Response  

a.  3: 5  
b.  3: 2  
c.  5: 3  
d. 

Question number: 352
Question
A die is thrown once. The probability of getting a number 3 or 4 is ________
Choices
Choice (4)  Response  

a.  0  
b. 
 
c.  1  
d. 
