IMO Mathematics Olympiad Class 7: Questions 189  196 of 1012
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Question number: 189
Question
Simplify:
Choices
Choice (4)  Response  

a.  12 

b.  54 

c.  34 

d.  24 

Question number: 190
Question
The average of and is . The value of Z is ________
Choices
Choice (4)  Response  

a.  61 

b.  62 

c.  59 

d.  60 

Question number: 191
Question
What is the value of that makes the following expression true?
Choices
Choice (4)  Response  

a.  4 

b.  5 

c.  3 

d.  5 

Question number: 192
Question
The present age of A is twice that of B. 20 years from now, age of A will be times that of B. The present ages of A and B (in years) respectively, is ________.
Choices
Choice (4)  Response  

a.  20, 10 

b.  10, 20 

c.  30, 20 

d.  20, 30 

Question number: 193
Question
The average of 11, and is . The value of X is ________
Choices
Choice (4)  Response  

a.  21 

b.  14 

c.  15 

d.  17 

Question number: 194
Question
The sum of 6 consecutive integers is 75. Then the smallest among them is ________.
Choices
Choice (4)  Response  

a.  19 

b.  16 

c.  10 

d.  14 

Question number: 195
Question
The total cost of two books is Rs. 420. If the prize of first book is of the second book then the prize of second book is ________.
Choices
Choice (4)  Response  

a.  Rs. 220 

b.  Rs. 280 

c.  Rs. 250 

d.  Rs. 245 

Question number: 196
Question
, then find the value of X.
Choices
Choice (4)  Response  

a. 


b. 


c. 


d.  1 
