IMO Mathematics Olympiad (SOF) Class 9: Questions 603  609 of 919
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Question number: 603
Question
The median of the observation 3, 5, 9, 5, 4, 3, 1 is ________
Choices
Choice (4)  Response  

a.  5 

b.  3 

c.  4 

d.  1 

Question number: 604
Question
In a km. race A beats B by 50 metres or 5 seconds. Then A’s time over the course is ________
Choices
Choice (4)  Response  

a.  2 minutes 20 seconds 

b.  1 minutes 35 seconds 

c.  3 minutes 17 seconds 

d.  2 minutes 35 seconds 

Question number: 605
Question
If the mode of the following data 6, 8, 7, 6, x, 6, 4, 8, 7, 4, 8, 7 is 6, then value of x is ________
Choices
Choice (4)  Response  

a.  8 

b.  6 

c.  4 

d.  1 

Question number: 606
Question
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 607
» Analytical Reasoning and Logical Reasoning
Question
If in the following groups of numbers after adding all the digits of each group, are arranged in decreasing order, then which will be middle group?
853, 395, 486, 249, 497, 766, 914
Choices
Choice (4)  Response  

a.  486 

b.  395 

c.  497 

d.  766 

Question number: 608
Question
A man rows downstream 40 50 km and upstream 20 30 km, taking 10 20 hours each time. The velocity of current is ________
Choices
Choice (4)  Response  

a.  3.5 km/hr 

b.  1.5 km/hr 

c.  2.5 km/hr 

d.  0.5 km/hr 

Question number: 609
Question
The mean weight of 60 students in a class is 40 kg. The mean weight of boys is 50 kg while that of the girls is 30 kg. the number of boys and girls are________
Choices
Choice (4)  Response  

a.  20, 40 

b.  30, 30 

c.  35, 25 

d.  25, 35 
