IMO Level 1 Mathematics Olympiad (SOF) Class 7: Questions 346  357 of 1022
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Question number: 346
Question
What is the value of at ?
Choices
Choice (4)  Response  

a.  Discriminant  
b.  c  
c.  a  
d.  0 
Question number: 347
Question
If then a is ________.
Choices
Choice (4)  Response  

a.  2  
b.  1  
c.  0  
d.   1 
Question number: 348
Question
The value of x, for which is ________.
Choices
Choice (4)  Response  

a. 
 
b.  3  
c. 
 
d.  1 
Question number: 349
Question
If , then the value of .
Choices
Choice (4)  Response  

a.  36  
b.  30  
c.  33  
d.  39 
Question number: 350
Question
A contractor employed 120 men to build a house in 45 days. After 15 days, he was joined by 30 more men. In how many days will the remaining work be finished?
Choices
Choice (4)  Response  

a.  20 days  
b.  18 days  
c.  28 days  
d.  24 days 
Question number: 351
Question
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 352
Question
Power 5 of is ________.
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 353
Question
The product of is ________.
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 354
Question
Addition of is________.
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 355
Question
The value of is ________.
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d.  None of the above 
Question number: 356
Question
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 357
Question
A man purchased a bag of rice containing 70 kg for Rs. 175. He sold it at the rate of Rs. 2.75 per kg. Then the profit or loss in % is ________.
Choices
Choice (4)  Response  

a.  12 % gain  
b.  10 % loss  
c.  10 % gain  
d.  12 % loss 