Mathematics [NSTSE (National Science Talent Search Exam Unified Council) Class 8]: Questions 515  523 of 1201
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Question number: 515
Question
MCQ▾If then is?
Choices
Choice (4)  Response  

a.  2599  
b.  2401  
c.  2601  
d.  2603 
Question number: 516
Question
MCQ▾Factorize :
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d.  None of the above 
Question number: 517
Question
MCQ▾A shopkeeper fixes the MP of an item 40 % above its CP. The percentage of discount allowed to gain 12 % is:
Choices
Choice (4)  Response  

a.  28%  
b.  20%  
c.  40%  
d.  31% 
Question number: 518
Question
MCQ▾Three containers have their volumes in the ratio 2: 3: 5. They are full of mixtures of milk and water. The mixtures contain milk and water in the ratio of and respectively. The ratio of milk and water in the fourth container contains all the above three mixtures is:
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 519
Question
MCQ▾The square root of is:
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d.  All of the above 
Question number: 520
Question
MCQ▾If then x is:
Choices
Choice (4)  Response  

a.  3  
b. 
 
c.  9  
d.  None of the above 
Question number: 521
Question
MCQ▾The least perfect square which is divisible by 3,6, 8 is:
Choices
Choice (4)  Response  

a.  36  
b.  64  
c.  144  
d.  48 
Question number: 522
Question
MCQ▾The product of and is:
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d.  All of the above 
Question number: 523
Question
MCQ▾A fort had provision of food for 180 men for 45 days. After 10 days, 30 men left the fort. The number of days for which the remaining food will last, is:
Choices
Choice (4)  Response  

a.  19  
b.  27  
c.  81  
d.  54 