Mathematics [NSTSE (National Science Talent Search Exam Unified Council) Class 8]: Questions 660  665 of 1201
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Question 660
Question
MCQ▾Three containers have their volumes in the ratio 3: 4: 7. 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 661
Question
MCQ▾The table shows the brand and number of mobiles sold by a shop. In pictograph, one symbol □ represents 5 mobiles. How many symbols are required to represent the number of the bestselling brand of mobiles?
Brands of mobiles  Number of mobiles 
Samsung  70 
Motorola  35 
Apple  50 
Choices
Choice (4)  Response  

a.  5  
b.  31  
c.  10  
d.  14 
Question 662
Question
MCQ▾The value of is:
Choices
Choice (4)  Response  

a.  18  
b.  27  
c.  18  
d.  27 
Question 663
Question
MCQ▾The product of and is:
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d.  Question does not provide sufficient data or is vague 
Question 664
Question
MCQ▾In a quadrilateral WXYZ, if and , then =________.
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question 665
Question
MCQ▾An article when sold at a gain of 15 % yields Rs. 45 more than when sold at a loss of 10%. Its cost price would be:
Choices
Choice (4)  Response  

a.  250 Rs.  
b.  270 Rs.  
c.  300 Rs.  
d.  350 Rs. 