IMO Mathematics Olympiad Class 10: Questions 365  370 of 908
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Question number: 365
Question
The mean weight of a class of 39 students is kg. if the weight of the teacher is included, the mean rises by 500 g. Then the weight of the teacher is ________
Choices
Choice (4)  Response  

a.  65 kg 

b.  44 kg 

c.  70 kg 

d.  95 kg 

Question number: 366
Question
A Bus maintains an average speed of 50 km/hr while going from A to B and maintains an average speed of 80 km/hr while coming back from B to A. the average speed of the bus is ________.
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 367
Question
Points are joined to form a quadrilateral. What will be the structure of quadrilateral?
Choices
Choice (4)  Response  

a.  Trapezoid 

b.  Diamond 

c.  Plaque 

d.  Pentagon 

Question number: 368
Question
If are the vertices of a right angle triangle, right angle at P, then a is ________
Choices
Choice (4)  Response  

a.  5 

b.  9 

c.  2 

d.  7 

Question number: 369
Question
A bag contains 5 Green, 4 Aqua, 9 Blue and 6 purple marbles. If a marble is drawn at random from the bag, the probability that the marble drawn is Aqua or Purple, is ________
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 370
Question
In a single throws of a die, the probability of getting a multiple of 3 is ________
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 

