IMO Mathematics Olympiad Class 9: Questions 601  607 of 919
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Question number: 601
» Analytical Reasoning and Logical Reasoning
Question
Miral says that father of Ravi’s father is my father. How is Miral related to Ravi?
Choices
Choice (4)  Response  

a.  Mother 

b.  Mother’s Mother 

c.  Aunt (Father’s Sister) 

d.  Sister 

Question number: 602
Question
The mean weight of 120 students in a class is 100 kg. The mean weight of boys is 110 kg while that of the girls is 90 kg. The number of boys and girls are________
Choices
Choice (4)  Response  

a.  60, 60 

b.  40, 30 

c.  70, 40 

d.  10, 50 

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 
