IMO Level 1 Mathematics Olympiad (SOF) Class 8: Questions 536  544 of 1040
Access detailed explanations (illustrated with images and videos) to 1040 questions. Access all new questions we will add tracking exampattern and syllabus changes. Subscription can be renewed yearly absolutely FREE! View Sample Explanation or View Features.
Rs. 450.00 or
How to register?
Question number: 536
Question
If , then is________.
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 537
» Direct and Inverse Proportions
Question
The weight of a 11 m long iron rod is 15 kg. The weight of 5 m long of such rod will be________.
Choices
Choice (4)  Response  

a.  8.5 kg 

b.  8 kg 

c.  6.5 kg 

d.  6.8 kg 

Question number: 538
» Direct and Inverse Proportions
Question
The ratio of boys and girls in a school of 650 students is. How many boys should be admitted to make ratio?
Choices
Choice (4)  Response  

a.  130 

b.  140 

c.  150 

d.  120 

Question number: 539
Question
The value of
Choices
Choice (4)  Response  

a.  6 

b.  7 

c.  1 

d.  5 

Question number: 540
Question
The value of is ________.
Choices
Choice (4)  Response  

a.  400 

b.  800 

c.  200 

d.  100 

Question number: 541
» Direct and Inverse Proportions
Question
The ratio which bears to is________.
Choices
Choice (4)  Response  

a.  1.65 

b.  1.50 

c.  1.78 

d.  1.68 

Question number: 542
» Direct and Inverse Proportions
Question
If and, then the value of is ________.
Choices
Choice (4)  Response  

a.  8 

b.  9 

c.  10 

d.  6 

Question number: 543
» Direct and Inverse Proportions
Question
A sum of money is sufficient to pay wages for 25 days and wages for 25 days. The same money is sufficient to pay the wages of both for ________.
Choices
Choice (4)  Response  

a.  12 days 

b.  11 days 

c.  days 

d.  10 days 

Question number: 544
» Direct and Inverse Proportions
Question
A bag contains 25 paise, 10 paise and 5 paise coins in the ratio 1: 4: 5. If their total value is Rs. 90, the number of 10 paise coins is ________.
Choices
Choice (4)  Response  

a.  600 

b.  500 

c.  800 

d.  400 
