IMO Level 1 Mathematics Olympiad (SOF) Class 8: Questions 178  186 of 1040
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Question number: 178
Question
If = 4, then = ________.
Choices
Choice (4)  Response  

a.  123 

b.  100 

c.  144 

d.  169 

Question number: 179
Question
The greatest four digit number, which is a perfect square is ________.
Choices
Choice (4)  Response  

a.  9801 

b.  9805 

c.  9901 

d.  9900 

Question number: 180
Question
Which of the following is not a perfect square?
Choices
Choice (4)  Response  

a.  1638 

b.  16384 

c.  100489 

d.  5329 

Question number: 181
Question
A number is multiplied by itself and then 10 is subtracted from the product. If the final result is 590, then find the original number.
Choices
Choice (4)  Response  

a.  60 

b.  36 

c.  30 

d.  50 

Question number: 182
Question
Three numbers are in the ratio of 4: 3: 2. The sum of their cubes is 21384. The numbers are________.
Choices
Choice (4)  Response  

a. 


b.  6: 12: 18 

c.  15: 30: 45 

d. 


Question number: 183
Question
If, then
Choices
Choice (4)  Response  

a. 


b. 


c. 


d.  None of the above 

Question number: 184
Question
The value of is ________.
Choices
Choice (4)  Response  

a.  4.00 

b.  2.5 

c.  7.5 

d.  8.5 

Question number: 185
Question
If , then is equal to________.
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 186
Question
If, then the value of is________.
Choices
Choice (4)  Response  

a.  11.1 

b.  24.7 

c.  22.7 

d.  30.2 
