IMO Level 1 Mathematics Olympiad (SOF) Class 10: Questions 458  464 of 968
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Question number: 458
Question
Points are joined to form a quadrilateral. What will be the structure of quadrilateral?
Choices
Choice (4)  Response  

a.  Square 

b.  Rhombus 

c.  Parallelogram 

d.  Rectangle 

Question number: 459
Question
If are the midpoints of the sides of , the area of the triangle is ________
Choices
Choice (4)  Response  

a.  24 sq. units 

b.  50 sq. units 

c.  96 sq. units 

d.  48 sq. units 

Question number: 460
Question
The average of 10 results is 70. If the average of the first five results is 60 and that of the last five is 70, then the fifth result is ________
Choices
Choice (4)  Response  

a.  20 

b.  30 

c.  40 

d.  50 

Question number: 461
Question
If are the vertices of a right angle triangle, right angle at P, then a is ________
Choices
Choice (4)  Response  

a.  3 

b.  4 

c.  2 

d.  1 

Question number: 462
Question
One card is drawn from a wellshuffled deck of 52 cards the probability of the card drawn is a king or queen ________
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 463
Question
The mean of a data is ‘p’. if each observation is multiplied by 3 and then 1 is added to each result, then the mean of the new observations so obtained is ________
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 464
Question
The coordinates of the midpoints of the sides of a triangle are . What will be the coordinates of the centroid of the triangle?
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 

