IMO Mathematics Olympiad (SOF) Class 9: Questions 478  483 of 919
Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 919 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: 478
Question
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 479
Question
The mean weight of 80 students in a class is 60 kg. The mean weight of boys is 70 kg while that of the girls is 50 kg. the number of boys and girls are________
Choices
Choice (4)  Response  

a.  35, 75 

b.  45, 35 

c.  40, 40 

d.  10, 30 

Question number: 480
» Introduction to Euclid's Geometry
Question
If ∠A and ∠B are complementary angles and m∠A is x˚, which equation can be used to find m∠B which is denoted by y?
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 481
Question
A cloth merchant has announced rebate in prices. If one needs to have a rebate of Rs. 40, then how many shirts each costing Rs. 32, he should purchase?
Choices
Choice (4)  Response  

a.  10 

b.  6 

c.  5 

d.  7 

Question number: 482
Question
By selling a Car for Rs. 70000, a shopkeeper gains. If the profit is reduced to, then the selling price will be ________
Choices
Choice (4)  Response  

a.  Rs. 75000 

b.  Rs. 90000 

c.  Rs. 85000 

d.  Rs. 55000 

Question number: 483
» Analytical Reasoning and Logical Reasoning
Question
Choose the figure that is different from the rest?
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 
