Simple Equations (IMO Mathematics Olympiad Class 7): Questions 31  37 of 83
Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 1012 questions. Access all new questions we will add tracking exampattern and syllabus changes. View Sample Explanation or View Features.
Rs. 450.00 or
Question number: 31
» Simple Equations
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: 32
» Simple Equations
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: 33
» Simple Equations
Question
The average of 11, andis. The value of X is ________
Choices
Choice (4)  Response  

a.  21 

b.  14 

c.  15 

d.  17 

Question number: 34
» Simple Equations
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: 35
» Simple Equations
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: 36
» Simple Equations
Question
, then find the value of X.
Choices
Choice (4)  Response  

a. 


b. 


c. 


d.  1 

Question number: 37
» Simple Equations
Question
The age of A and B are in ratio 7: 5 after 6 years, their ages will be in the ratio 9: 7 the sum of present age is ________
Choices
Choice (4)  Response  

a.  36 years 

b.  10 years 

c.  24 years 

d.  9 years 
